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