48. Jane is one of the best students in her class who _____by their teacher.

　　 A.　　 are praised　　 B. is praised　　 C. praised　　 D. praising

47. Those who ____ in ____compositions， please hand them in this afternoon.

　　 A.　　 hasn‘t handed； his　　 B. haven’t handed； their

　　 C.has handed； their　　　 D. have handed； his

46. Three-fourths of the homework _____today.

　　 A.　　 has finished　　　　 B. has been finished

　　 C. have finished　　　　　　　　 D. have been finished

45. He is the only one of the students who _____elected.

　　 A. are　　 B. have　　　 C. has　　 D. is

44. Many a man _____ come to help us.

　　 A. have　　 B. has　　 C. is　　 D. are

43. The Olympic Games ____held every ____years.

　　 A.　　 is； four　　 B. are； four　　 C. is； five　　 D. are； five

42. Where ____rubbish， there are flies.

A.　　 there are　　 B. there is　　　 C. is　　　　 D. there has

41. Your trousers ____dirty， you must have _____washed.

　　 A.　　 is； it　　　 B. are； it　　　 C. are； them　　 D. is； them

40. Apples of this kind ____.

　　 A.　　 tastes good　 B. tastes well　

　　 C. taste good　　 D. taste well

39. The police ____the murderer everywhere when he suddenly appeared in a theatre.

　　 A.　　 is searching for　　　 B. were searching for

　　 C. are searching for　　 D. were searching