76.(　　 ) _____ I close the window? It's so cold here.

　　 A. Will　 　　B. Do　　 　　C. Would　　 　D. Shall

75.(　　 )--Must I clean the room now? --No, you ______.

　　 A. can' t　　　 B. may not　 　　C. mustn' t　　 　D. needn' t

74.( 　　)--How long have you _______there? --About four years.

　 　A. come　　 B. gone　 　　　C. left　　　　 D. worked

73.(　 　) The factory has been _____ for two years.

　　 A. open　　　 B. to open　　　 C. opening　 　　D. opened

72.(　　 ) --Where' s Mr Green? --Oh, he _______ Canada.

　　 A. has been to　 B. has gone to　 　C. went to　　 D. was in

71.(　　 ) The headmaster ______for more than two weeks.

　　 A. has left　 B. has gone　 C. has been away　 D. has come back

70.(　　 ) There ______a football match in our school this afternoon.

A. are going to have　 　　　B. is going to have

C. are going to be　 　　　　D. is going to be

69.(　　 ) While she ______ TV in the sitting room, the bell______.

　A. watches, rings　 　　　　　B. is watching, rang　

C. was watching, rang　 　　　D. watched, was ringing

68.(　　 ) I _____ to bed until my grandma came back home.

　　 A. didn't go　　 B. went　 　　C. had gone　 D. have gone

67.(　　 ) His sister read the picture- book three times yesterday, ____.

　 　A. so he did　　 B. she did so　　 C. so did he　 D. so did her