20. Is this school ___ some foreigners visited the other day?

A. which　　　 B. that　　　　 C. where　　　　 D. the one

19. It is in Qingdao _______ you are going to pay a visit to _________ this kind of　 washing machine is produced.

A. where, which　　　 B. ×, that　　　　　 C. ×, where　　　　 D. that, which　

18. ---Peter, hurry up! You ___________　 on the phone.

　 ---Oh, I ____________. Thank you.

　A. are being wanted; come　　　　　　　　　 B. are wanted; am coming

C. want; come　　　　　　　　　　　　　　　　　 　　 D. will be wanted; should come

17. One minute she burst into ________and the next burst out ________. We just couldn’t catch her mood at any moment.

A.　　 crying; laughter　 B. tears; laughing　 C. tears; laughter　　 D. crying; laughing

16. During the period when he was in hospital, I _______ him to give up smoking but he still smokes.

A . persuaded　　　 B. advised　　　　　　 C.　 thought　　　　 D. suggested

15. This is the best way ________ I have thought of ________ the problem.

A. ×, to solve　　　 B. in which, solving　　 C. which, to solve　　 D. that, solving