10.___ you did it is not known to all. A. Who B. What C. How D. Which ...

4.The manager came over and asked the customer how____ A. did the quarrel came about B. the quarrel had come about C. had the quarrel come about D. had the quarrel come about ...

18.I regret _____ hard at school, or I would have succeeded in passing the exam. A. not to work B. having not worked C. to have not worked D. not having worked ...

12.He looked around and caught a man _____ his hand into the pocket of a passenger. A. put B. to be putting C. to put D. putting ...

6.--- Did you get a dictionary --- No, I _____, but there were not any _____. A. tried/to be left B. had tried to/ leaving C. tried to/ left D. had tried/have left ...

20.You won’t know whether the coat fits you until you ______ it on. A. will try B. have tried C. tried D. are trying ...

14.--- We ______ that you would fix the TV set this week. --- I’m sorry. I ______ to fix it this week, but I’ve been too busy. A. had expected/ had intended B. are expecting/ had intended C. expect/intend D. expected/in...

8.______ it with me and I’ll see what I can do. A. When left B. Leaving C. If you leave D. Leave ...

2.. --- Remember the first time we met, Jim --- Of course I do. You ______ in the library. A. were reading B. had read C. have read D. read ...

2.Andy got some fees from the state for the library in prinson. A. 错误 B. 正确 ...