20. I would rather you ____ anything for the time being A. haven’t done B. hadn’t doing C. was not doing D. did not do ...

6. After retirement, my grandpa ____ gardening as a hobby. A. took after B. took up C. took on D. took in ...

15. As the bus came round the corner, it ran ___________ a big tree by the roadside. A. into B. on C. over D. up ...

14. _______, we keep records on all the experiments so that we may have enough data. A. As a whole B. As a rule C. On the average D. By all means ...

9. I won’t be able to attend the meeting tonight because _________. A. I must teach a class B. I teach a class C. I will be teaching a class D. I will have been teaching a class ...

4. The computer doesn't work well, so something ______ wrong. A. can have gone B. should have gone C. must have gone D. ought to haveg one ...

19. I would rather __________ two weeks earlier. A. you should come here B. you come here C. you came here D. you had come here ...

14. _______ tomorrow’s lessons, Frank has no time to go out with his friends. A. Not preparing B. Not having prepared C. Not t oprepare D. Being not prepared ...

9. You object ___________, don’t you? A. that they come B. that they came C. to their come D. to their coming ...

4. I wish everyone ________ the meeting tomorrow. A. will attend B. would attend C. had attended D. is going to attend ...