48. Dad, we hope you can 　　　　　　smoking. It’s bad for your health.

47. Mrs Green wouldn’t leave the TV set　　　　　 　her children and husband were waiting

　for their supper.

46. Please 　　　　　　the time of the train.

45. Your dress really 　　　　　　your new shoes.

44. I 　　　　　　get up until 11 am, but now I get up early and do sports to keep fit.

43. I didn’t go to the party last night because I _________________ study for a test.

42. You should _____________ new English words in a vocabulary list.

41. Do you learn English by __________ English tapes?

39. -Why not　　　 us in dancing?

　 -Good idea.

　A. join　　　 B. join in　　 　　 C. take part in 　　　 　D. taking part in