20. A number of families got ______ in the Wenchuan earthquake.

A. separate　　　 B. separated　　　 C. to separate　　　 D. separating

19. --- I hear you’ve got a set of valuable Australian coins. ______ I have a look?

　 --- Yes, certainly.

　 A. Must　　　　 B. May　　　　 C. Shall　　　　 D. Should

18. They demanded that all the books _______ to the school library by Friday.

　 A. return　　　　 B. should return　　 C. be returned　　 D. would be returned

17. There are 75 students in our class, with their ages _____.

　 A. range from 14 to 18　　　　　　　　　　　　　　　　　 B. ranging between 14 and 18

　 C. ranged from 14 to 18　　　　　　　　　　　　　　　　 D. ranging both 14 and 18

16. The universities have got bigger in size, _________ many more people the chance of higher education.

A. so allowing　 　　 B. thus allowing　 　 C. so to allow　 　　　 D. thus to allow

15. We agreed to accept ______ they thought was the best professor in the college.

　　　　 A. whatever　　　　　　　　　　　　 B. whomever　　　　　　　　　　　 C. whichever　　　　　　　　　　　 D. whoever

14. ____________ the modeling business is by no means easy to get into, the good model will always be in demand. 　A. While 　　　　　B. Since 　　　　C. As 　　　　　　D. If