12. The new bridge ____ by the end of last month.　　　　　　 (2001上海)

A. has been designed　　　　　 　　　　　　B. had been designed

C. was designed　　　　　　　　　　　　　 D. would be designed

11. More patients ____ in hospital this year than last year.　　　 (2004江苏)

A. treated　　　　　　　　　　　　　　　 B. have treated　　

C. had been treated　　　　　　　　　　　　 D. have been treated　

10. The fifth generation computers, with artificial intelligence ____ and perfected now.　　

A. developed　　　　　　　　　　　　　　 B. are being developed　　

C. have developed　　　　　　　　　　　　 D. will have been developed

9. My brother is an actor. He ____ in several films so far.　　　 (2005浙江)

A. appears　　　　　　　　　　　　　　　 B. appeared　　

C. has appeared　　　　　　　　　　　　　 D. is appearing　

8. The coffee is wonderful! It doesn’t taste like anything I ____ before.　　 (2005 全国)

A. was having　　　　　　　　　　　　　 B. have　　

C. have ever had　　　　　　　　　　　　 D. had ever had

7. Father _____ for London on business upon my arrival, so I didn’t see him.　 (2005 福建)

　 A. has left　　　　　 B. left　　　　　 C. was leaving　　　 D. had left　

6. I　 ____　 now.

A. am starving　　 B. will starve　　 C. have starved　　 D. starve

5. A lot of high-rise buildings have been ____ recently.

　　 A. put up　　　　 B. put down　　　 C. put off　　　　 D. put out

4. The rent for an apartment there is very ____, so we decide to buy it in a short period.

A. low　　　　　 B. much　　　　　 C. little　　　　　 D. high

3.Don’t ___ your father now；he is very ____ .

A. bother , tiring　　　　　　　　　　 　　　B. worry , tiring　　

C. bother , tired　　　　　　　　　　　　　 D. worry ,tired