21. It was how the young man had learned five foreign languages 　　　　　attracted the audience’s interest.

　 A. so that　　 　 B. what　　　　　　　　 C. in which　　　 　　　　 D. that

20. Not only a writer but also 　　　　　here.

　 A. a doctor were wanted　　　　 　 B. were a doctor wanted

　 C. a doctor was wanted　　　　 　 D. was a doctor wanted

19. Not only 　　　　　to New York but also 　　　　　there for a time.

　 A. has he been … he worked　　 　　 B. has he been … did he work

　 C. he has been … did he work　 　　 D. he has gone … did he work

18. My brother had a bad cold last week, 　　　　　.

　 A. so had I　　 　　　 B. so I had　　 　　 C. so did I　　　 　　　　　 D. so I did

17. Little 　　　　　that John would become a famous writer.

　 A. we thought　 B. we think　　 　　 C. did we think　 　　　　　 D. we think of

16. You think everything will be all right in time. 　　　　　.

　 A. So I do　　 B. So I think　 　　 C. Nor do I　　 　　　　　 D. So do I

15. Very seldom 　　　　　that two clocks or watches exactly agree.

　 A. you find 　　　 B. you will find 　　 C. you do find　 　　　　 D. do you find

14. 　　　　　did Anne realize that there was danger.

　 A. On entering the store　　　　　　　　　 B. After he had entered the store

　 C. Only after entering the store　　　　 D. As soon as he entered the store

13. 　　　　　got outside than it began to rain.

　 A. Not sooner I had　　 　　　　　　　　 B. No sooner had I

　 C. No sooner I　　　　 　　　　　　　　 D. I no sooner had got

12. 　　　　　ill-mannered, 　　　　　the laziest and most irresponsible creature you could ever hope to meet.

　 A. Not only is he … but he is also　　　　　　 B. Not only is he … but also is he

　 C. Not only he is … but also is he　　　　　　 D. Not only be he … but also he be