55．　　　　 , we could forgive him for his mistakes!

　　　 A．Were he still a child　　　　　　　　　　　　　　 B．If he is still a child

　　　 C．Did he realize he is wrong　　　　　　　　　　 D．He were still a child

54．Not until the motorbike looked almost new 　　　repairing and cleaning it.

　　　 A．he stopped　　　　　 B．that he stopped　　 C．did the stop　　　　 D．that did the stop

53．The man in prison insistent that he 　　　nothing wrong and 　　set free.

　　　 A．should do; should be　　　　　　　　　　　　　　 B．had done; should be

　　　 C．had done; had been　　　　　　　　　　　　　　　 D．should do; had been

52．It is high time that the child 　　　to the hospital.

　　　 A．is sent　　　　　　　　 B．would be sent　　　 C．be sent　　　　　　　　 D．were sent

51．But for the help of my English teacher, I 　　　the first prize in the English Writing Competition.

　　　 A．would not have won　　　　　　　　　　　　　　 B．had not won

　　　 C．would have won　　　　　　　　　　　　　　　　　 D．have won

50．--- Would you have called her up had it been possible?

　　 --- Yes, but I 　　　busy doing my homework.

　　　 A．was　　　　　　　　　　 B．am　　　　　　　　　　　 C．had been　　　　　　 D．would be

49．--- What 　　　　it be?

　　 --- It 　　　　be a man, for it is not moving. It 　　　be a dustbin, I think.

　　　 A．can, may, must　　　　　　　　　　　　　　　　　　 B．can, can’t, must

　　　 C．can, must, can　　　　　　　　　　　　　　　　　　 D．may, may not, could

48．Why 　　　　we eat out when can easily cook ourselves at home?

　　　 A．must　　　　　　　　　 B．shall　　　　　　　　　 C．can　　　　　　　　　　 D．may

47．He 　　　have come here yesterday, 　　　　he?

　　　 A．mustn’t, did　　　　 B．couldn’t, has　　　　 C．must, haven’t　　　 D．must, didn’t

46．There 　　　be any difficulty in passing the road test since you have practiced a lot in driving school.

　　　 A．mustn’t　　　　　　　 B．shouldn’t　　　　　　 C．shan’t　　　　　　　　 D．needn’t