注：对号“√”表示其后选项为正确答案
1. no electronic computers，they could have been no satellites orrockets.
√A. Had there been B. If there were
C. Should there be D. If there arewww.for68.com
省略if的倒装：
2. Hardly had Professor Birch finished his speech the audiences started cheering.
A. as B. that C. since √D. when
否定词前置的倒装，如hardly，never，on no account，scarcely，in no case，no sooner，not until，not only，rarely，seldom，little 等;
3. Never such a marvelous place as the Great Wall before I got there.
A. did I see B. I had seen C. I saw √D. had I seen
4. On no account there.
A. you should go B. you must go
C. had you to go √D. must you go
5. Sam would have been able to pass the exam.
A. If he studies more B. If he were studying to a greater degree
C. Studying more √D. Had he studies more
6. Scarcely had they settled themselves in their seats in the theater the curtain went up.
A. than B. before √C. when D. as
7. In no case indicate any depgree of difference in the legal status of husband and wife.
A. the documents will B. will be documents
C. the documents should √D. do the documents
8. had he gone to sleep that the telephone rang once more.
A. As soon as √B. No sooner C. Hardly D. Scarcely
9. a certain doubt among the students as to the necessity of the work.
A. It existed √B. There existed C. They had D. There had
10. Not until the year of 1954 made the capital of this province.
A. the city was √B. was the city
C. when the city was D. was when the city
