3. I can't quite remember _______ you started doing the work. A. that it was when B. when it was that C. when was it that D. that was it when ...

7. He was seen enter the building. A. 错误 B. 正确 ...

2. He is always borrowing money and forgetting to pay me back. A. 错误 B. 正确 ...

16. No permission has _____ to anybody to enter the building. A. been given B. given C. to give D. be giving ...

9. The television is a ______ machine. A. newly-inventing B. newly-invented C. newly-invent D. newly-invention ...

3. We are going to talk about the problem _____ at the last meeting. A. was discussed B. discussing C. discussed D. had been discussed ...

7. Which sports are you interested in? A. 错误 B. 正确 ...

2. Can you tell me which is the car to repair? A. 错误 B. 正确 ...

17. Where _____ all this time? A. are you gone B. did you go C. were you D. have you been ...

7. The _____ price will save you one dollar for each dozen. A. reduce B. reduced C. reducing D. being reduced ...