29. The Roman Empire _____ for several centuries.

A. exists　　　 B. existed　　　　 C. was existed　　 D. is existing

28. I could hardly tell the twins apart because their appearances are only ____ different.

A. slightly　　 B. gradually　　　 C. personally　　　 D. extremely

27. He is the lawyer who you took photos ____ you were in the Forbidden City.

A. when　　　 B. of when　　　 C. where　　 D. of where

26. This picture was taken when my father was a child and even I myself couldn’t _____.

A. find him out　　 B. pick him out　　 C. put him out　　 D. take him out

25. While ____ in tea with that dealer, Mr. Smith had himself ____.

　 A. trading; ripped off　　　　　 B. buying; ripping off

　 C. selling; ripped off　　　　　 D. purchasing; rip off

24. Mary _____ be in London because I saw her in town just now.

A. mustn’t　　 B. isn’t able to　　 C. needn’t　　　 D. can’t

23. You’d better not phone me between two and six o’clock this afternoon; I ___

　 a speech then.

A. will give　　　　　　　　　 B. will have been giving　　

C. will be giving　　　　　　　 D. will have given

22. With tags(标签) _____ to the luggage, it won’t take long for the passengers to find theirs correctly..

A. attaching　　 B. attached　 C. to attach　　 D. attaches