北京 成人英语三级真题

C. buying

D. buy转自学易网

19. Having taken our seats， _____.

A. the professor began the lecture

B. the lecture began in no time

C. we were attracted by the lecturer immediately

D. the bell announced the beginning of the lecture

20. In recent years many football clubs _____ as business to make a profit.

A. have run

B. have been run

C. had been run

D. will run

21. After 15 years in the United States， he has finally decided to_____ American citizenship.

A. concentrate on

B. apply for

C. look out for

D. appeal on

22. It is well known that teaching is a job _____ enough patience.

A. calling on

B. calling off

C. calling for

D. calling in

23. Surely it doesn't matter where the clubs get their money； what_____ is what they do with it.

A. counts

B. applies

C. stresses

D. functions

24. I didn't expect to receive a postcard from you！ It's really _____my wildest imagination.