【摘要】 公共英语一般指全国英语等级考试。全国英语等级考试，是教育部考试中心设计并负责的全国性英语水平考试体系。下面是2020公共英语一级语法试题训练(5)，小编建议有准备参加考试的备考生一定要合理规划时间，仔细阅读相关规定，提前做好考前准备。下面让我们看看2020公共英语一级语法试题训练(5)的具体内容：
1 We bought Granny a present, ___ she didn't like it.
A. but B. and
C. or D. so
[答案] A.
[析] 由于句意的原因，应选择转折连词。
2 Run quickly, ___ we'll miss the early train.
A. and B. but
C. so D. or
[答案] D.
[析] or这里应译为：否则。
3 I'll give the book to him ___ he comes back.
A. since B. as soon as
C. before D. until
[答案] B.
[析] as soon as 引出的时间状语从句应用一般现在时表示将来要发生的动作。
4 Don't cross the road ___ the light turns green.
A. when B. while
C. until D. as
[答案] C.
[析] until应译为"直到……才"，因为前面的祈使句为否定句。又如：She did not go to bed until her mother came back. 应译为"直到她妈妈回来她才睡觉"。
5 Miss Gao has been a teacher ___ 1990.
A. before B. after
C. since D. in
[答案] C.
[析] 因为主句为完成时，所以应用 since表示该动作的启始点。
6 - Which would you like better, tea ___ milk
- Tea, please.
A. but B. and
C. or D. with
[答案] C.
[析] 在疑问句与否定句中应用or来表示一种选择。
7 We love spring ___ there's beautiful flowers every where.
A. though B. but
C. or D. because
[答案] D.
[析] 因为这里表示的是因果关系。
8 Please leave ___ 7∶00, then you'll be able to get ___ there earlier.
A. till, in B. from, /
C. before, / D. behind, to
[答案] C.
[析] before为在7∶00之前离开。
9 The teacher didn't begin the lesson ___ all the students stopped talking.
A. until B. after
C. if D. because
[答案] A.
[析] 这句应译为"直到所有的学生都停止讲话老师才开始上课"。因begin为瞬间动词，所以应用否定句。
10 Betty didn't go to see the film yesterday ___ she was ill.
A. but B. until
C. if D. because
[答案] D.
[析] 这里是表示因果关系，所以应用because。因为她病了所以未去看电影。
11 You must start right now, ___ you'll miss the train.
A. for B. and
C. so D. or
[答案] D.
[析] or译为"否则"。本句句意为：你必须马上走了，否则要赶不上火车了。
考必过小编提醒：。
12 ___ he is a child of six, he can read and write.
A. Whose B. If
C. Though D. Because
[答案] C.
[析] 这种状语从句在英语中称为让步状语从句，应译为：虽然他才是个6岁的孩子，他却可以读书和写字。
13 I like fish, ___ chicken, ___ eggs.
A. and, and B. and, with
C. /, and D. and, /
[答案] C.
[析] 在有若干个名词或动词出现时，每一个词之间只用逗号连接，只在最后两个词之间加and。如：The old man passed the street, went into a shop and bought some food。
14 Take this dictionary with you ___ you may use it in class.
A. when B. in order to
C. but D. so that
[答案] D.
[析] so that应译为"为的是"。本句句义为：带上字典，为的是在上课时可能有用。而in order to 其后应接动词不定式，如：Take this dictionary with you in order to use it in class。
15 I hope ___ will be fine tomorrow.
A. it B. what
C. whether D. when
[答案] A.
[析] hope后接的是宾语从句，而且宾语从句中少主语，应用it来代替天气。
16 ___ she was not well, I decided to go without her.
A. Though B. As
C. When D. Because of
[答案] B.
[析] as这里应译为"由于"。全句意为：由于她不舒服，我决定不带她去了。而because of 其后不能接从句只能接宾语。如： Because of the heavy rain, we decided not to go。
17 My aunt bought me ___ many story books that I spent a lot of time them.
A. such…on B. such…in
C. too…in D so…on
[答案] D.
[析] 因many前只能用so来修饰，所以只能选择D选项。而spend…on something 为在某事上花费时间或钱。如：She spent a lot of money on her clothes。
18 Mother was cooking ___ she ___ a knock at the door.
A. when, listen to B. while, listened to
C. while, heard D. when, heard
[答案] D.
[析] when在这里应译为：就在那时，那一刻，那一瞬间。
19 Speak slowly, ___ we can understand you.
A. and B. or
C. if D. because
[答案] A.
[析] and这里是并列连词，应译为：请讲慢些这样我们就会明白你的意思。
20 You'll learn English well ___ you put your heart into it.
A. if B. so
C. until D. or
[答案] A.
[析] 本句译为：如果你将心放在学习上，你就会将英语学好。这里的语法现象是从句中用一般现在时表示将来。
21 I won't let you in ___ you show me your pass.
A. until B. for
C. since D. because
[答案] A.
22 She didn't go to school ___ she was ill.
A. why B. because
C. where D. but
[答案] B.
以上就是2020公共英语一级语法试题训练(5)的内容，想要报考公共英语考试的备考生请仔细阅读报考时间通知，务必在规定时间内完成报名工作，以免错过报名时间。更多资讯关注及时关注考必过网站，最新消息小编会第一时间发布，助力大家考试，加油！