45. A. park          B. store         C. zoo            D. hospital

44. A. Until         B. While         C. Before         D. Because

43. A. look          B. see           C. seem           D. make

42. A. all           B. almost        C. hardly         D. even

41. A. kids          B. pets          C. dolls          D. friends

39. I left my umbrella in my room. Could you wait         I go back to get it?

     A. when           B. if           C. while         D. before

38. -- Sam is very           his new car, an Audi A8.

-- Yes, he enjoys driving it to show off.

     A. proud of        B. good at       C. interested in   D. famous for

37. -- Our teacher wouldn't give us the answers to the questions directly.

   -- Why not work them out all by          ?

     A. themselves     B. himself       C. ourselves       D. myself

36. Lingling has         Greener China for two months.

     A. joined         B. taken Part in C. been            D. been a member of