( ) 21. Can you tell me?

　　A. who are you B. who you are

　　C. you are who D. who you be

　　( ) 22. Do you knowof the three?

　　A. which book she likes best

　　B. which best book does she like

　　C. that which book she likes best

　　D. which book she best likes

　　( ) 23. I hearthe teacher will come back from the UK soon.

　　A. which B. that C. when D. whether

　　( ) 24. Can you tell melanguage she speaks?

　　A. which B. what C. that D. whether

　　( ) 25. Can you tell usyou grow cotton in your country?

　　A. that B. whether C. which D. whose

　　( ) 26. I don't understandyou said.

　　A. when B. that C. where D. what

　　( ) 27. Do you knowthe meeting will begin?

　　A. when B. that C. where D. what

　　( ) 28. Can you tell methe meeting will begin?

　　A. what B. whether C. when D. where

　　( ) 29. surprised me most washe didn't go to school yesterday.

　　A. What, how B. What, that C. That, that D. Whom, that

　　( ) 30. I wonderedthey had been to America.

　　A. if B. what C. who D. that

　　( ) 31. Can you tell meMr. Green lives in Room 2318?

　　A. that B. where C. until D. if

　　( ) 32. Do you knowJack left so early?

　　A. what B. why C. until D. though