44.Your clothes need ______________.

　 A.washed　　　 B.to be washed　

　　 C.to wash　　　 D.being washed

43.This X-ray machine needs ______________.

　 A.repairing　 B.to repair　 C.repaired　 D.being repaired

42.Mme Curie was well-known for ______________.

　　 A.winning　 B.being won

　　 C.being winning　　 D.having won

41.The child thanked the passer-by for _________ his life.

　 A.saving　　　　 B.being saved

　 C.having saved　 D.having been saved

40.After operation the patient's condition,　 far　 from　 ________, became　 worse than before.

　 A.improving　 B.being improved　 C.having been improved　 D.improved

39.The patient must be separated to avoid(避免) _______ others.

　 A.being infected(感染)　 B.infecting　 C.to infect　 D.infected

38.I regret __________ that to her.

　 A.having said　 B.to have said　　 C.to say　 D.X

37.I remembered ________ this person somewhere before.

　 A.seeing　　 B.having been seen　 C.seen　 D.to see

36.I am looking forward __________ from you soon.

　A.to hear　　 B.of hearing　 C.hearing　　 D.to hearing

35.We are now busy _________ for the examination.

　A.to prepare　 B.preparing　 C.prepared　　 D.being prepared