21.　 --_____you ____ him around the museum yet?

　 --Yes. We had a great time there. (2007年江苏卷)

　 A. Have; shown　 B. Do; show　 C. Had; shown　 D. Did; show

20.　 At the end of the meeting, it was announced that an agreement _______. (2007年江苏卷)

A. has been reached　 B. had been reached　 C. has reached　 D. had reached

19. Danny _____ hard for long to realize his dream and now he is popular. (2007年福建卷)

　 A. worked　 B. is working　 C. has worked　 D. worked

18. –I saw Jane and her boyfriend in the park at eight yesterday evening. (2007年福建卷)

---Impossible. She _____ TV with me in my home then.

A.　　 watched　 B. had watched　 C. would watch　 D. was watching

17. The play had already been on for quite some time when we ____ at the New Theatre. (2007年浙江卷)

　 A. having arrived　 B. arrived　 C. had arrived 　D. arrive

16．Professor James woll give us a lecture on the Western culture, but when and where _____ yet. (2007年浙江卷)

A.　　 hasn't been decided　 B. haven't decided　 C. isn't being decided D. aren't decided

15. Cathy is taking notes of the grammatical rules in class at Sunshine School, she she _____ English for a year. (2007年湖南卷)

　 A. studies　 B. studied　 C. is studying　 D. has been studying

14.　 As the years passed, many occasions ---birthdays, awards, graduations----_____ with Dad’s flowers. (2007年湖南卷)

　　 A. are marked　 B. were marked　 C. have marked　 D. had marked

13. When I called you this morning, nobody answered the phone. Where _____ ? (2007年重庆卷)

　 A. did you go　 B. have you gone　 C. were you　 D. had you been

12.　 Leonardo da Vinci( 1452-1519) ____ birds kept in cages in order to have the pleasure of setting them free. (2007年重庆卷)

　　 A. is said to be buying　　 B. is said to have bought

C. had said to buy　　　　 D. has said to have bought