20. The little girl must have lain there for a long time , ( )? A. mustn ’ t she B. hasn ’ t she C. wasn ’ t she D. didn ’ t she ...
17. The World Trade Center is higher than ( ) I have ever seen during my visit. A. any buildings B. any other buildings C. all the buildings D. all of buildings ...
15. The old man found ( )on the floor. A. lying dead B. lying death C. laying dead D. laying death ...
6. The prfessor prepares his lectures carefully before trying to carry ( )in his class. A. it out B. out it C. them out D. out them ...
22. The picture reminds me ( )the time we spent together in New York. A. of B. in C. for D. to ...
13. The city has a population of over ( ). A. five hundred million B. five hundred millions C. five hundreds million D. five hundred millions people ...
12. The number of students who failed the chemistry examination ( )to fifteen. A. have increased B. has increased C. is increased D. are increasing ...
20.(2.5分) The listening part of this unit aims to the training of the ability to listen for the overall topic of the material. 正确 错误 ...