中考英语：主谓一致专项强化练习及答案

这是一份中考英语：主谓一致专项强化练习及答案，共18页。
中考英语真题：主谓一致
第一部分:1-50 专项练习 第二部分:51-100全面解析

1．（2023·哈尔滨模拟）Neither Tim nor Tim's father and mother swimming, but they like skating very much.
A．is fond of B．are fond of C．enjoys
2．（2022·哈尔滨模拟）—What do you think of the articles in your exam?
—Oh, I think_____ of the materials I read in the exam______ quite meaningful.
A．two thirds, is B．two thirds, are C．two third, are
3．（2022·桂林模拟）We________ often go to school before 8：00 am.
A．aren't B．don't C．doesn't
4．（2022·广元模拟） Not only you but also I ____ interested in the cartoon.
A．am B．is C．are D．was
5．（2021·百色）Paper, one of the four greatest inventions in ancient China, ________by Cai Lun about 2, 000 years ago.
A．was invented B．is invented C．were invented D．are invented
6．（2021·安顺）Volunteering our time to help people __________ a good way to learn new things.
A．am B．is C．are
7．（2021·龙江）In the face of the variation (变异) of the virus, not only China but also other countries ________ to take action to fight against the crisis (危机).
A．have B．has C．having
8．（2021·绥化）This pair of socks _________ soft. I'll take_______________.
A．feel; it B．feels; it C．feels; them
9．（2021·遂宁）The number of the whales ____________smaller and smaller because of human activities now.
A．were B．was C．is D．are
10．（2021·四川）—I often see Peter's father play basketball on my way to school.
—That's not strange. Not only Peter but also his father ________sports.
A．enjoy B．enjoys C．enjoyed D．was enjoyed
11．（2021·北部湾模拟）I _________________________ French since I was 5 years old.
A．study B．will study C．studied D．have studied
12．（2021·凤凰模拟）Neither you nor he _______ mad.
A．are B．is C．am
13．（2021·福建模拟）The number of teenagers who volunteer to help the old people on holidays ________ increasing recently.
A．is B．are C．be
14．（2021·夹江模拟）—How many boys are there in your class?
—______ them_____ over twenty.
A．A number of, are B．The number of, are C．The number of, is
15．（2021·北部湾模拟）Two months _______________ a long time. We can visit our grandparents during the vacation.
A．am B．is C．are D．will be
16．（2020·鄂州）Because of the special situation this year, about ________ of the students in our school ________ having classes on the Internet at home.
A．two thirds; are B．two third; is
C．second thirds; are D．two thirds; is
17．（2020·黑龙江）Spending time with families ________ the happiest thing.
A．are B．is C．be
18．（2020·怀化）Journey to the West is interesting. Both my father and my sister the book very much.
A．likes B．like C．dislike
19．（2020·青岛模拟）—How do you like the environment?
—Wonderful! of the land covered with trees and grass.
A．Two fifths; is B．Two fifth; is
C．Two fifths; are D．Two fifth; are
20．（2020·白银）I want a mobile phone which ____good pictures.
A．took B．is taking C．takes D．take
21．（2020·兰州）________ his parents work as doctors in the First Hospital of Lanzhou.
A．Both B．All C．Either D．Neither
22．（2020·东营模拟）About of the earth covered with water, but we have less and less fresh water.
A．three-fourth; are B．three-fourths; is
C．three-fourth; is D．three-fourths; are
23．（2020·哈尔滨模拟）—Have you seen the cartoon film "Jiang Ziya"？
—No, I haven't. It is said that the film _______ because of COVID - 19(新冠肺炎).
A．hasn't been on B．hasn't showed C．haven't been on
24．（2020·历城模拟）—________your parents strict with you?
—Yes, they are. But I know they love me, too.
A．Are B．Is C．Does D．Do
25．（2020·长宁模拟）The electricity went off while I __________ with my mother in the sitting room last night.
A．talked B．have talked C．was talking D．had talked
26．（2020·长宁模拟）Since early this year, the terrible disease __________ a lot of people all over the world.
A．killed B．kills C．will kill D．has killed
27．（2020·瑞安模拟）— Ben, what about your magic show this afternoon?
— I __________________ a lot and I'm sure everything will be fine.
A．practice B．am practicing C．have practiced D．will practice
28．（2020·南关模拟）There _____________________ many people running along the river in the morning.
A．am B．is C．are D．be
29．（2020·南关模拟）The poor girl ______________________ to learn of the news that she could go to school like others.
A．is shocked B．was shocked C．were shocked D．be shocked
30．（2020·长春模拟）—I heard that an earthquake happened one midnight of May in Beijing.
—Yes. Most people who lived there _________at that time.
A．is sleeping B．are sleeping C．was sleeping D．were sleeping
31．（2020·滨州模拟）— My trousers __________________ green.
— But this pair of trousers ___________________ black.
A．is; is B．are; are C．is; are D．are; is
32．（2020·杨浦模拟）The first Hollywood film ______ in 1911. Early movie theaters were called “Nickelodeons”.
A．produce B．was produced C．be produced D．produced
33．（2020·江都模拟）_____of the land in that area ______covered with trees and grass.
A．Two fifth; are B．Two fifth; is
C．Two fifths; are D．Two fifths; is
34．（2020·闵行模拟）Because of the spread of the disease, our flight to France _________________ last week.
A．is cancelling B．has cancelled C．is cancelled D．was cancelled
35．（2020·长春模拟）Planting more trees on the sides of the road ________________________ a good way to make our city more beautiful.
A．is B．are C．was D．were
36．（2020·鱼峰模拟）Not only Jack but also I __________________ crazy about the football match.
A．am B．is C．are
37．（2020·石阡模拟）Sally as well as her mother ________eating different kinds of delicious food.
A．like B．likes C．liking D．is like
38．（2020·长宁模拟）Not only her mother but also her father _____in the same school for twenty years.
A．will teach B．has taught C．have taught D．are teaching
39．（2020·松北模拟）—Did you and your brother join in the speech online?
—No. Neither of us .
A．invited B．was invited C．were invited
40．（2020·松北模拟）—I called you yesterday evening, but no one answered the phone.
—Oh, I with my friends some shopping in Wal-Mart.
A．were doing B．was doing C．did
41．（2020·泰州模拟）It is said that _______ of confirmed cases(确诊病例) in Beijing _______over 300 during the past days.
A．the number; has reached B．a number; has reached
C．the number; have reached D．a number; have reached
42．（2020·长春模拟）There _________ a pen, two pencils and many kinds of books on the desk.
A．are B．is C．were D．has
43．（2020·额尔古纳模拟）There _____ only a little milk, an apple, two pears in the fridge.
A．has B．is C．be D．are
44．（2020·丰台模拟）Ben ____________ basketball when Sarah saw him yesterday.
A．plays B．played C．was playing D．has played
45．（2020·丰台模拟）It is reported that millions of masks ____________ abroad last week.
A．were sold B．will sell C．sold D．will be sold
46．（2020·房山模拟）Tom is my friend. We _______________ each other for three years.
A．will know B．have known C．know D．are knowing
47．（2020·房山模拟）This is a new park. It _______________ last year.
A．was built B．built C．is built D．builds
48．（2020·房山模拟）Look! The little girl ________________ to the music. How beautiful!
A．dances B．will dance C．is dancing D．danced
49．（2020·房山模拟）The little baby ____________ in the bedroom when his mother came back.
A．was playing B．is playing C．plays D．will play
50．（2020·右江模拟）Five years ________ since we met last time.
A．has passed B．have passed C．pass D．passed


答案解析部分
1．B
2．B
3．B
4．A
5．A
6．B
7．A
8．C
9．C
10．B
11．D
12．B
13．A
14．C
15．B
16．A
17．B
18．B
19．A
20．C
21．A
22．B
23．A
24．A
25．C
26．D
27．C
28．C
29．B
30．D
31．D
32．B
33．D
34．D
35．A
36．A
37．B
38．B
39．B
40．B
41．A
42．B
43．B
44．C
45．A
46．B
47．A
48．C
49．A
50．A


中考英语真题：主谓一致
第一部分:1-50 专项练习 第二部分:51-100全面解析


1．（2023·哈尔滨模拟）Neither Tim nor Tim's father and mother swimming, but they like skating very much.
A．is fond of B．are fond of C．enjoys
全面分析：蒂姆和他的父母都不喜欢游泳，但他们特别喜欢滑冰。A.is fond of喜欢，谓语动词是is，主语为单数人称；B.are fond of喜欢，谓语动词是are，主语为复数人称；C.enjoys喜欢，动词第三人称单数形式。Neither...nor...需遵循“就近原则”。根据“Neither Tim nor Tim's father and mother”可知，离谓语最近的主语是Tim's father and mother，为复数。故选B。

2．（2022·哈尔滨模拟）—What do you think of the articles in your exam?
—Oh, I think_____ of the materials I read in the exam______ quite meaningful.
A．two thirds, is B．two thirds, are C．two third, are
全面分析：——你觉得考试的文章怎么样？——哦，我认为我在考试中读到的三分之二的材料都很有意义。空一，two thirds，固定搭配，三分之二，分子用基数词，分母用序数词，分子大于一，分母加s，空二，主语是名词复数materials，故系动词用are，故选B。

3．（2022·桂林模拟）We________ often go to school before 8：00 am.
A．aren't B．don't C．doesn't
全面分析：我们通常不在早上8点之前上学。句子是一般现在时，谓语动词go为实意动词，其否定形式要借助助动词do/does，又因为主语we为复数。故选B。

4．（2022·广元模拟） Not only you but also I ____ interested in the cartoon.
A．am B．is C．are D．was
全面分析：不仅你而且我也对这幅漫画感兴趣。not only…but also…，不但……而且，连接两个并列成分作主语时，谓语动词要与离它最近的名词或代词在人称和数上保持一致，即"就近原则"。离其最近的主语是I，且描述的是客观事实，应用一般现在时，be动词用am，故答案为A。

5．（2021·百色）Paper, one of the four greatest inventions in ancient China, ________by Cai Lun about 2, 000 years ago.
A．was invented B．is invented C．were invented D．are invented
全面分析： 纸，中国古代四大发明之一，是由蔡伦在大约2000年前发明的。invent发明，动词，paper是invent的动作承受者，且此处描述过去的事情，所以此处用一般过去时的被动语态，用was/were done形式，此处主语是名词单数，系动词用was，故选A。

6．（2021·安顺）Volunteering our time to help people __________ a good way to learn new things.
A．am B．is C．are
全面分析： 志愿拿我们的时间来帮助人是一个学习新事物的好方法。动名词做主语，谓语动词用单数 Volunteering动名词，选项B正确。故答案为B。

7．（2021·龙江）In the face of the variation (变异) of the virus, not only China but also other countries ________ to take action to fight against the crisis (危机).
A．have B．has C．having
全面分析：面对病毒的变异，不仅是中国，其他国家也必须采取行动应对危机。A.have动词原形；B.has第三人称单数；C.having现在分词形式。此处缺少谓语动词，排除C; not only...butalso..需满足“就近原则”,谓语动词取决于"other countries",是复数，所以用动词原形，故选A。

8．（2021·绥化）This pair of socks _________ soft. I'll take_______________.
A．feel; it B．feels; it C．feels; them
全面分析：这双袜子摸起来很软。我买了。This pair of socks 做主语时，谓语动词由pair的单复数来决定，这里pair是单数，谓语用单数，排除动词原形feel的A选项；第二个空是指代袜子，是复数，应该用them来指代，故答案为C。

9．（2021·遂宁）The number of the whales ____________smaller and smaller because of human activities now.
A．were B．was C．is D．are
全面分析：现在因为人类的活动鲸鱼的数量越来越少了。the number of+名词做主语时谓语动词用第三人称单数，根据now，可知句子时态是一般现在时，故选C。

10．（2021·四川）—I often see Peter's father play basketball on my way to school.
—That's not strange. Not only Peter but also his father ________sports.
A．enjoy B．enjoys C．enjoyed D．was enjoyed
全面分析：——我经常在上学的路上看到彼得的父亲打篮球。——这并不奇怪。不仅彼得而且他父亲也喜欢运动。enjoy动词原形，enjoys动词enjoy的第三人称单数形式，用于一般现在时，enjoyed是动词enjoy的过去式，was enjoyed一般过去时的被动语态。not only...but also...不但……而且……，连接并列主语，遵循就近原则来确定谓语动词的单复数形式，根据Not only Peter but also his father...sports. 句子中his father第三人称单数，一般现在时，动词enjoy要用第三人称单数形式，故选B。

11．（2021·北部湾模拟）I _________________________ French since I was 5 years old.
A．study B．will study C．studied D．have studied
全面分析：从我五岁开始就已经在学习法语了。study学习，动词；根据since I was 5 years old 可知，since引导的时间状语从句，从句是一般过去时，主句用现在完成时，用have/has done形式，故选D。

12．（2021·凤凰模拟）Neither you nor he _______ mad.
A．are B．is C．am
全面分析：你既不愚蠢，他也不愚蠢。根据“neither...nor...”可知，neither...nor...作主语时，遵守主谓一致的就近原则，he是第三人称单数，靠近谓语动词，所以用动词单数。故选B。

13．（2021·福建模拟）The number of teenagers who volunteer to help the old people on holidays ________ increasing recently.
A．is B．are C．be
全面分析：在假期志愿帮助老人的青少年人数最近正在上升。分析句子结构可知，定语从句缺少谓语动词。主语为“The number”，表示“……的数量”，谓语动词需用单数形式。故选A。

14．（2021·夹江模拟）—How many boys are there in your class?
—______ them_____ over twenty.
A．A number of, are B．The number of, are C．The number of, is
全面分析：—— 你们班有多少男孩？ ——他们的人数超过二十人。a number of许多， 修饰可数名词复数，谓语动词用复数；the number of ……的数量，谓语动词要用单数。根据 How many boys are there in your class? 可知，答句的意思应该是“他们的人数超过二十人”，第一空用 The number of，第二空谓语be动词用is。故选C。

15．（2021·北部湾模拟）Two months _______________ a long time. We can visit our grandparents during the vacation.
A．am B．is C．are D．will be
全面分析：两个月是一段很长的时间。我们可以在假期去看望祖父母。表示时间，距离，重量，金钱等做主语时，把它看成一个整体，谓语动词用单数，本句叙述的是事实，时态用一般现在时，故答案为B。

16．（2020·鄂州）Because of the special situation this year, about ________ of the students in our school ________ having classes on the Internet at home.
A．two thirds; are B．two third; is
C．second thirds; are D．two thirds; is
全面分析：因为今年的特殊情况，我们学校大约三分之二的学生在家上网课。分数是由基数词和序数词一起来表示的。基数词作分子，序数词作分母，除了分子是“1”以外，其他情况下序数词都要用复数形式。此处表示“三分之二”，分子用基数词two,分母用thirds。“分数+of+名词”作主语时，谓语动词常与of后的名词保持数的一致。of后the students是可数名词复数，则谓语动词用复数形式are。故选A。

17．（2020·黑龙江）Spending time with families ________ the happiest thing.
A．are B．is C．be
全面分析：和家人在一起是最幸福的事。A are 第二人称单复数形式，B is 第三人称单数形式，C be 动词原形。根据英语语法，动名词或动名词短语作主语时，谓语动词要用单数形式，故选B。

18．（2020·怀化）Journey to the West is interesting. Both my father and my sister the book very much.
A．likes B．like C．dislike
全面分析：《西游记》很有趣，我父亲和我妹妹都非常喜欢这本书。likes，喜欢，第三人称单数，like喜欢，动词原形，dislike，不喜欢，动词原形。根据“Journey to the West is interesting.”可知，我父亲和我妹妹都非常喜欢这本书，排除C选项；both…and…，表示两者都……，谓语动词用动词原形，排除A选项；故选B。

19．（2020·青岛模拟）—How do you like the environment?
—Wonderful! of the land covered with trees and grass.
A．Two fifths; is B．Two fifth; is
C．Two fifths; are D．Two fifth; are
全面分析：——你觉得环境怎么样？ ——太棒了！五分之二的土地被树木和草所覆盖。分数的表达方式，分子是基数词，分母是序数词，当分子大于1时，分母要用复数，所以排除B/D选项；当分数做主语时，谓语动词要与of后的名词单复数或不可数名词保持一致，原文中of后land是不可数名词，所以用is。故选A。

20．（2020·白银）I want a mobile phone which ____good pictures.
A．took B．is taking C．takes D．take
全面分析：我想要一部拍照效果好的手机。take pictures，拍照，固定短语。A 一般过去时；B 现在进行时；C 一般现在时；D 一般现在时。结合题干a mobile phone which…good pictures可知此句是which引导的定语从句，先行词是a mobile phone，单数形式，时态是一般现在时，要用takes，故选C。

21．（2020·兰州）________ his parents work as doctors in the First Hospital of Lanzhou.
A．Both B．All C．Either D．Neither
全面分析：他的父母是都兰州第一医院的医生。both指两者都，属于复数。all指三者或三者以上都。either指两者中任意一个, 属于单数。neither指两者中任意一个不。父母两个人都做医生, 句中的谓语动词是work，动词原形，所以主语是复数。故选A。

22．（2020·东营模拟）About of the earth covered with water, but we have less and less fresh water.
A．three-fourth; are B．three-fourths; is
C．three-fourth; is D．three-fourths; are
全面分析：地球的四分之三被水覆盖，但是我们的淡水却越来越少。英语的分数表达是基数词做分子，序数词做分母；当分子是一时，分母用单数，当分子大于一时，分母用复数；故3/4的表达是three fourths。分数做主语时，谓语动词的形式要根据分数修饰的名词来决定；当分数修饰的名词是复数时，谓语动词使用复数，当分数修饰的名词是单数，谓语动词使用单数（population除外，population做主语谓语动词使用单数；前有分数修饰时，谓语动词使用复数）；本句中the earth是单数，可知谓语动词使用is。故选B。

23．（2020·哈尔滨模拟）—Have you seen the cartoon film "Jiang Ziya"？
—No, I haven't. It is said that the film _______ because of COVID - 19(新冠肺炎).
A．hasn't been on B．hasn't showed C．haven't been on
全面分析：——你看过动画片《姜子牙》吗？——不，我没有看。据说因为新冠肺炎，这部电影没有播放。此句时态是现在完成时，要用 have done 表示完成时，主语 the film 是单数，助动词 have 要用三单形式 has，排除选项C；show 上演，是及物动词，后接名词，the film 与 show 构成被动语态，要用 have been done 构成被动语态，排除选项B，故选A。

24．（2020·历城模拟）—________your parents strict with you?
—Yes, they are. But I know they love me, too.
A．Are B．Is C．Does D．Do
全面分析：——你父母对你要求严格吗？——是的，他们是。但我知道他们也爱我。A.是；B.是；C.助动词，三单式；D.助动词。be strict with，对……严格，固定搭配，构成一般疑问句，直接将be提到句首，主语是your parents，be动词用are，位于句首首字母大写，故选A。

25．（2020·长宁模拟）The electricity went off while I __________ with my mother in the sitting room last night.
A．talked B．have talked C．was talking D．had talked
全面分析：昨晚我和妈妈在起居室谈话时停电了。while在......时，后接谓语动词要用持续性动词的进行时，表示主句的动词发生在从句动作进行之中。根据主句的动词went，从句的谓语动词要用过去进行时was/were+现在分词。主语I，助动词要用was，talk的现在分词talking。故选C。

26．（2020·长宁模拟）Since early this year, the terrible disease __________ a lot of people all over the world.
A．killed B．kills C．will kill D．has killed
全面分析：今年年初以来，这一可怕的疾病已在全世界造成许多人死亡。根据时间状语 Since early this year,，表示过去的动作对现在产生的影响，要用现在完成时have/has+过去分词。主语 disease疾病，可数名词单数，助动词要用has，kill的过去分词killed。故选D。

27．（2020·瑞安模拟）— Ben, what about your magic show this afternoon?
— I __________________ a lot and I'm sure everything will be fine.
A．practice B．am practicing C．have practiced D．will practice
全面分析：——本，你今天下午的魔术表演怎么样？——我练习了很多，我相信一切都会好的。根据下文 I'm sure everything will be fine. 可知表示过去动作practice产生的结果，要用现在完成时have/has+过去分词。主语I，要用have，practice过去分词practiced。故选C。

28．（2020·南关模拟）There _____________________ many people running along the river in the morning.
A．am B．is C．are D．be
全面分析：早上许多人沿着河流跑步。此处是there be 结构，主语 many people 是复数，be 动词要用 are，故选C。

29．（2020·南关模拟）The poor girl ______________________ to learn of the news that she could go to school like others.
A．is shocked B．was shocked C．were shocked D．be shocked
全面分析：听到她可以像其他人一样上学的消息，这个可怜的女孩感到震惊。主语 the poor girl 与 shock 之间构成被动，要用 be done 表示被动，根据 could 可知句子时态是一般过去时，主语 The poor girl 是第三人称单数，be 动词要用 was，故选B。

30．（2020·长春模拟）—I heard that an earthquake happened one midnight of May in Beijing.
—Yes. Most people who lived there _________at that time.
A．is sleeping B．are sleeping C．was sleeping D．were sleeping
全面分析：——我听说北京五月的一个午夜发生了地震。——是的。那时住在那里的大多数人都在睡觉。根据lived和时间状语 at that time可知，此句用过去进行时，表示过去某个时间正在发生的事情，结构为“was/were doing”；主语people是复数名词，谓语be动词用were。故选D。

31．（2020·滨州模拟）— My trousers __________________ green.
— But this pair of trousers ___________________ black.
A．is; is B．are; are C．is; are D．are; is
全面分析：——我的裤子是绿色的。——但是这条裤子是黑色的。第一空主语为名词复数trousers，所以系动词应该用复数are，第二空主语为 this pair of trousers ，中心词为pair，为名词单数，所以系动词应该用单数is，故选D。

32．（2020·杨浦模拟）The first Hollywood film ______ in 1911. Early movie theaters were called “Nickelodeons”.
A．produce B．was produced C．be produced D．produced
全面分析：第一部好莱坞电影诞生于1911年。早期的电影院被称为“Nickelodeons”。根据“were”可知此句时态是一般过去时，谓语动词要用过去式，主语 The first Hollywood film 与 produce 之间构成被动语态，且主语是单数，要用 be 动词 was，所以是一般过去时的被动语态，故选B。

33．（2020·江都模拟）_____of the land in that area ______covered with trees and grass.
A．Two fifth; are B．Two fifth; is
C．Two fifths; are D．Two fifths; is
全面分析：那个区域的五分之二的土地长满了树和草。分数构成：分子基数词，分母序数词，分子大于一，分母加s；分数+of+名词，做主语的时候有名词的单复数确定动词的单复数，land不可数名词，故动词应使用单数；故答案选D。

34．（2020·闵行模拟）Because of the spread of the disease, our flight to France _________________ last week.
A．is cancelling B．has cancelled C．is cancelled D．was cancelled
全面分析：由于疾病的传播，我们上周飞往法国的航班取消了。A.is cancelling现在进行时; B.has cancelled现在完成时; C.is cancelled一般现在时的被动语态，D.was cancelled一般过去时的被动语态。根据“last week”可知，空处谓语动词需用一般过去式，主语“our flight" 和谓语“cancel”之间的关系应该是航班被取消，应该用被动语态，故选D。

35．（2020·长春模拟）Planting more trees on the sides of the road ________________________ a good way to make our city more beautiful.
A．is B．are C．was D．were
全面分析：在路边种更多的树是使我们的城市更美丽的好方法。分析句子可知是动名词作主语的一般现在时，动名词作主语时谓语动词用单数形式，故选A。

36．（2020·鱼峰模拟）Not only Jack but also I __________________ crazy about the football match.
A．am B．is C．are
全面分析：不仅是杰克，我也很喜欢这场足球赛。固定搭配，not only…but also，不仅……而且，谓语动词遵循就近原则，主语是I，be动词用am，故选A。

37．（2020·石阡模拟）Sally as well as her mother ________eating different kinds of delicious food.
A．like B．likes C．liking D．is like
全面分析：萨利和她的母亲一样都喜欢吃不同种类的美食。句子表达的是客观事实，用一般现在时；主语Sally后面跟有由as well as引出的短语，谓语动词习惯上要与结构前面的主语保持一致，即与比较远的那个主语Sally保持一致，此处用动词的第三人称单数形式likes。故答案为B。

38．（2020·长宁模拟）Not only her mother but also her father _____in the same school for twenty years.
A．will teach B．has taught C．have taught D．are teaching
全面分析：不仅她的妈妈，她的爸爸也已经在同一个学校教学20年。will teach 一般将来时； has taught 现在完成时；have taught 现在完成时； are teaching 现在进行时。for+一段时间，表示动作一直持续到现在，用现在完成时，has/have +done. Not only…but also…连接主语时，谓语用就近原则，根据离谓语最近的主语是her father第三人称，所以完成时助动词用has，teach的过去分词是taught。故答案为B。

39．（2020·松北模拟）—Did you and your brother join in the speech online?
—No. Neither of us .
A．invited B．was invited C．were invited
全面分析：——你和你的哥哥参加了线上演讲吗？——不。我们两个人都没有被邀请。在答语中，主语us和谓语动词invite之间存在被动关系，由语境可知这里要用一般过去时，因此此句要用一般过去时的被动语态，其结构为was/were+动词过去分词，由neither(of) 作主语时，其后的谓语动词要用单数形式，因此be动词用was，故选B。

40．（2020·松北模拟）—I called you yesterday evening, but no one answered the phone.
—Oh, I with my friends some shopping in Wal-Mart.
A．were doing B．was doing C．did
全面分析：——昨晚我打了电话给你，但是没有人接电话。——噢，我和我的朋友们在沃尔玛购物。结合语境可知下文描述的是过去某时正在进行的动作，因此这里要用过去进行时，其结构为was/were+动词现在分词，在答语中，当主语后接with时，谓语动词的单复数形式由with前面的主语来决定，即“就远原则”，with前的主语I 第一人称单数，因此be动词要用was，故选B。

41．（2020·泰州模拟）It is said that _______ of confirmed cases(确诊病例) in Beijing _______over 300 during the past days.
A．the number; has reached B．a number; has reached
C．the number; have reached D．a number; have reached
全面分析：据说，在过去的几天里，北京的确诊病例数量已经超过了300例。the number of……的数量；a number of大量，许多；has reached达到了，主语为第三人称单数形式；have reached达到了。根据句中“over 300”可知，第一空使用the number，表示“确诊病例的数量超过了300”；主语the number of confirmed cases为第三人称单数形式，所以第二空使用has reached。故答案为A。

42．（2020·长春模拟）There _________ a pen, two pencils and many kinds of books on the desk.
A．are B．is C．were D．has
全面分析：桌上有一支钢笔、两支铅笔和很多种类的书。考查be动词。这是there be句型结构，不能用has，排除D选项。这是讲述一般的状态用一般现在时，be动词采取“就近原则”，与a pen保持一致，用is，故选B。

43．（2020·额尔古纳模拟）There _____ only a little milk, an apple, two pears in the fridge.
A．has B．is C．be D．are
全面分析：冰箱里只有一点牛奶，一个苹果，两个梨。has，有，是实意动词have的第三人称单数形式，s和are都是be动词的形式，is用于主语为单数时，are用于主语为复数时。根据句意可知，这句话中使用的是There be句型，表示“有……”，排除A，be动词的单复数形式应根据就近原则，与a little milk一致，这是不可数名词，故be动词用单数。故选B。

44．（2020·丰台模拟）Ben ____________ basketball when Sarah saw him yesterday.
A．plays B．played C．was playing D．has played
全面分析：萨拉昨天看到本时，他正在打篮球。根据从句 when Sarah saw him yesterday. 可知，空处谓语动词需用过去进行时态，表示过去正在进行的动作，主语是Ben，单数，此处be动词需用was。故选C。

45．（2020·丰台模拟）It is reported that millions of masks ____________ abroad last week.
A．were sold B．will sell C．sold D．will be sold
全面分析：据报道，上周有数百万个口罩销往国外。根据时间状语last week可知，空处谓语动词需用一般过去时，排除选项B和D，因为口罩是被销售，所以空处需用一般过去时的被动语态。故选A。

46．（2020·房山模拟）Tom is my friend. We _______________ each other for three years.
A．will know B．have known C．know D．are knowing
全面分析：汤姆是我的朋友。我们已经认识三年了。根据时间状语 for three years 可知，空处谓语动词需用现在完成时态，表示过去发生的动作一致持续到现在，故选B。

47．（2020·房山模拟）This is a new park. It _______________ last year.
A．was built B．built C．is built D．builds
全面分析：这是一个新公园。它是去年建造的。根据时间状语 last year 可知，空处谓语动词需用一般过去时，因为是被修建，所以空处谓语动词需用一般过去时的被动语态：was/were done，主语是第三人称单数it，所以空处be动词需用was。故选A。

48．（2020·房山模拟）Look! The little girl ________________ to the music. How beautiful!
A．dances B．will dance C．is dancing D．danced
全面分析：看！小女孩随着音乐跳舞。多么美丽！由提示词 look 可知，空处谓语动词需用现在进行时态，表示正在进行的动作，故选C。

49．（2020·房山模拟）The little baby ____________ in the bedroom when his mother came back.
A．was playing B．is playing C．plays D．will play
全面分析：当他妈妈回来的时候，那个小婴儿正在卧室里玩。由从句的谓语动词came back可知，空处主句的谓语动词需用过去是时态，此处表示过去正在进行的动作，所以空处需用过去进行时态。故选A。

50．（2020·右江模拟）Five years ________ since we met last time.
A．has passed B．have passed C．pass D．passed
全面分析： 自从我们上次见面以来已经五年了。时间段+现在完成性+since+一般过去时的句子，固定搭配，某事过去多久了，主语是时间，故是第三人称单数，助动词是has，故选A。