48. The old man, _____ in the city for forty years, is on the way back to his village.

　　 A. to work　　　　　　　　　B. working　　　 　C. to have worked　　　　　 D. having worked

47. The young men hurried to the restaurant, only _____ the singer had left.

　　 A. to tell　　 　　　　　　 　B. to be told　　 　　 C. telling　　　　　　　　　D. told

46. It is encouraging to see many students who had great difficulty in learning English _____ the chance to improve their English.

　　 A. having　　　　 　B. to have　　　 　C. who have　　 　 　D. have

45. The bank is reported in the local newspaper _____ in broad daylight.

　　 A. to be robbed　　 　　　 B. to have been robbed　　　 　C. robbed　　　 　　D. having been robbed

44. _____ two years to looking after her mother, she badly needed a holiday.

　　 A. Devoted　　 　 B. Having been devoted　 　　 C. Having devoted　　 　　 D. Devoting

43. --- I can’t see the words on the blackboard clearly.

　　 --- Why, your eyes need _____. Perhaps you need _____ glasses.

　　 A. examining; wearing 　　 B. to examine; wearing 　　 C. to be examined; to wear　　 D. examined; wearing

42. I have got a loaf of bread; now I’m looking for a knife _____.

　　 A. to cut it with　　　　　 　 B. to cut with it 　　　 C. with it to cut　　　　　 　 D. it to cut with

41. From the dates _____ on the gold coin, we decided that it was made five hundred years ago.

　　 A. marking　　　 　　　　　　 　B. marked　　　 　　　 C. to be marked　　　　　　 　 D. having been marked

40. He is rather difficult to make friends with, but his friendship, _____, is more true than any other.

　　 A. once gained　 　　　　　　 　B. when to gain　 　　　 C. after gaining　　　　　　　D. while gaining

39. _____ what the situation would be like, they decided to keep silent.

　 A. Having not known　 　 B. Knowing not 　 　 C. Not know　　 　 D. Not knowing