41. -- Have you ever been to Shanghai ,Mary?

　 　-- Yes. I _______ there for three clays with my parents last' month.

　　　 A. have gone　　　　　 B. have been　　　　　 C. went　　　　　　　 D. was

40. -- Do you often watch Man and Nature on TV?

　 --Sometimes. It's an interesting program, but I______ Sports News.

　　 A. prefer　　　　　 B. want　　　 C. enjoy　　　　　　　 D. miss

39. -- Could you tell me something about the boy who helped you just now?

　　 -- Sorry, I know nothing about him. We are______.

　　 A. friends　　　　　　　 B. neighbors　　　　　 C. classmates　　　　　 D. strangers

38. There are so many kinds of computers in the shop. I really don't know ______ to choose.

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

37. -- How can I ______ well with my lessons, Dad?

　 -- Practice makes perfect.

　　 A. work on　　　　　 B. hold on　　　　　　 C. get on　　　　　　　 D. keep on

36. -- I hope you don't mind my opening the window.

　 -- ______ It's much too hot in here.

　　 A. Certainly　　　　　　 B. Of course not

　　 C. All right　　　　　　 D. Never mind

35. Bob promises to join in the football match ______ he has to help his parents on the farm.

　 　　A. if　 　　　B. as　　　　　　　　 C. unless　　　　　　　 D. when

34. -- Did you find the small village yesterday?

　 -- Yes, without any difficulty, for it has ______ changed over years.

　　 A. hardly　　　 B. greatly　　　　　　 C. clearly　　　　　　 D. nearly

33. -- What time do you expect me back, Mum?

　 -- Say, ______half an hour.

　　 A. at　　　　　 B. before　　　　　　 C. in　　　　　　　　 D. for

32. It's nice of you to ______ so much time showing me around your school.

　　 A. take　　　 B. spend　　　　　　　 C. cost　　　　　　　　 D. have