17. “ You look tired” “Yes, I ____sleep last night.” A. can’t B. couldn’t ...

7. Jonathon (hurry) ___________________________ to get to the airport. After driving very fast, he arrived half an hour early. A. didn't have/need to B. needn't have ...

1. _____________ explain it to him, he still didn’t understand. A. Hard I tried to B. As I tried hard to C. Tried as I hard to D. Hard as I tried to ...

10. .I shall never forget those years which I lived in the country with the farmers. A. 错误 B. 正确 ...

9. He still hasn’t finished the work in such a long time. -- He ______ very hard. A. mustn’t have worked B. can have worked C. can’t have worked D. shouldn’t have worked ...

1. Some robbers broke into her house and then she didn’t have _____valuable left. A. nothing B. anyting ...

5. . A person learns a foreign language must be able to use the foreign language forgetting all his own. A. 错误 B. 正确 ...

20. The road was muddy. It____ last night. A. must rained B. must have rained C. must be rained D. could have rained ...

10. If I had had enough money, I ______. A. will buy a new apartment B. would buy a new apartment before C. would have bought a new apartment before D. will have buy a new apartment ...

2. Hardly ____________ I think it possible. A. had B. did ...