17. Peter lives in the room ___ window opens to the south.

A. whose 　B. that 　C. which 　D. /

16. Her opinion is the same ___ her mother's.

A. that 　B. as 　C. than 　D. like

15. All ___ you have to do is to press the button.

A. what　 　B. which 　C. for that 　D. that

14. The last place ___ was the Science Museum.

A. we visited　　　　　　 　B. where we visited

C. which we visited　　　 　D. we went

13. This is the most difficult book ___.

A. what I have read it 　　B. which I have read it

C. I have read　　　　　 　D. I have read it

12. Do you remember the name of the company ___?

A. where she works at 　　　B. in which she works

C. for which she works in 　　D. in where she works

11. Would you please put the book ___ it belongs?

A. to whom　 　B. to which 　C. into which　 　D. where

10. He met my brother, from ___ he got the news of my marriage.

A. who　 　B. whom 　C. which 　D. whose

9. Which of the two cows ___ you keep produces more milk?

A. that 　B. which　 　C. whom　 　D. what

8. The first time ___ I saw Premier Zhou was in 1958.

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