51. She was glad to see her children ______ in the nursery.

　 A. well taken care of　　 　　　　B. taking good care of

　 C. having well taken care of　　　 D. to be taken care

50. He saw some people ______ in a restaurant, talking to one another.

　 A. who was sitting　　　　　　 B. were seated

　 C. who were seating　　　　　　　 D. sitting

49. I often see the boy ______ across the street.

　 A. running　　　　　　　　　　 B. to run　　　　　　　　

　 C. run　　　　　　　　　　　 D. being running

48. My teacher advises me ______ a lawyer.

　 A. be becoming　　　　　　　 B. to become

　 C. being　　　　　　　　　　 D. be　

47. They would’t allow him ______ across the enemy line.

　 A. to risk going　　　　　　　 B. risking to go

　 C. for risk to go　　　　　　　 D. risking going

46. Is that the radio which you want _____?

　 A. to have it repaired　　　　　 B. to repair

　 C. to have been repaired　　　　 D. to have repaired

45. We hoped ______ the early bus, but found it had left.

　 A. to catch　　　　　　　　　 B. catching

　 C. having caught　　　　　　　 D. to have caught

44. Poor Bill couldn’t help ______.

　 A. coughing　　　　　　　　　 B. to cough

　 C. that he coughed　　 　　　　D. cough

43. He wanted to know ______ the station.

　 A. to get to　　　　　　　　　 B. getting to

　 C. how to getting to　　　　　　 D. how to get to

42. I am proud of ______ of New China.

　 A. to be a student　　　　　　　 B. be a student

　 C. being a student　　　　　　　 D. is a student