14. It is required that nobody (should)smoke here. A. 错误 B. 正确 ...

3. .Willma became the first American woman to win three Olympic gold medals in track, that made her mother very happy. A. 错误 B. 正确 ...

14. The streets are all dry. It ______ during the night. A. can’t have rained B. mustn’t have rained C. couldn’t rained D. shouldn’t have rained ...

5. Look! I have gained a lot of money from gambling. -While, I’d rather you ____________ last night. A. didn’t do that B. hadn’t done that C. don’t do that D. haven’t done that ...

17. This is the pen (which) he bought yesterday A. 错误 B. 正确 ...

8. Thirty-three people were already dead in a traffic accident and twelve of them being old men. A. 错误 B. 正确 ...

2. Were it not for your help. I wouldn' t be succeed. A. 错误 B. 正确 ...

8. Service was included in the bill. You (give) ____________________ a tip to the waiter. It was a waste of money. A. didn't have/need to B. needn't have ...

2. If most of your students didn’t finish their homework, I’m sure that you _________angry. A. will get B. get C. should get D. would get ...

15. .This is the longest train which I have ever seen. A. 错误 B. 正确 ...