7. Never in my life ____ such a thing.

　　 A. I have heard or have seen

　　 B. have I heard or seen

　　 C. I have heard or seen

　　 D. did I hear or see

6. ____ today， he would get there by Sunday.

　　 A. Would he leave　　 B. Was he leaving　　 C. Were he to leave　　 D. If he leave

5. -- Your father is very strict with you.

　　　 　____. He never lets off a single mistake of ours.

　　 A. So he is　　 B. So is he　　 C. He is so　　 D. So does he

4. No sooner ____ to the station ____ the train left.

　　 A. had I got， when　　 B. I had got， than　　 C. had I got， than　　 D. did I get， when

3. If you don't go， neither ____.

　　 A. shall I　　 B. do I　　 C. I do　　 D. I shall

2. Only by practising a few hours every day ____ be able to master the language.

　　 A. you can　　 B. can you　　 C. you will　　 D. will you

1. Not until I began to work ____ how much time I had wasted.

　　 A. didn't I realize　　 B. did I realize　　 C. I didn't realize　　 D. I realized

15. B　 他经常在思考怎样为四个现代化多做贡献。

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14. C “你能肯定她是诚实的”，省略了that

13. B “你认为谁会来教我们下学期的数学”