1.　　　 This is the museum ________ they’ll visit tomorrow.

20. Do you remember the days _____ we spent together in the country.

　 A. what　　　 B. which　　 C. when　　　 D. where

19. There is a mountain ____ the top is always covered with snow.

　 A. of that　　 B. its　　　　 C. whose　　 D. of which

18. Have you seen the film wuji , ______ leading actor is world famous.

　 A. its　　　　 B. it’s　　　 C. whose　　 D. which

17. The English play ______ my students acted at the New Year’s party was a great success.

　A. for which　 B. at which　 C. in which　 D. on which

16.I won’t forget the vacation ________ we spent together.

A.when　 B.which　　 C.on which　 D.where

15.The famous singer has made 50 records, _______ are well thought of.

A.most of which　　 B.most　　 C.all of whom　　 D.most of them

14.That is the worst film ______ I’ve ever seen.

A.that　　　 B./　　　 C.whose　　 D.A&B

13.Is there anything else ______ you want to buy?

A.which　　 B.that　　 C.whose　　 D.what

12.He is the second comrade ______ I have ever worked with.

A.which　　 B.what　　 C.whose　　 D.that