( )71. The headmaster ________for more than two weeks.
A. has left B. has gone C. has been away D. has come back
( )72. --Where' s Mr Green? --Oh, he _________ Canada.
A. has been to B. has gone to C. went to D. was in
( )73. The factory has been ________ for two years.
A. open B. to open C. opening D. opened
( )74 .--How long have you ________there? --About four years. ~
A. come B. gone C. left D. worked
( )75.--Must I clean the room now? --No, you __________.
A. can' t B. may not C. mustn' t D. needn' t
( )76. ________ I close the window? It's so cold here.
A. Will B. Do C. Would D. Shall
( )77.--Excuse me, Look at the sign NO SMOKING! --Sorry, I ________ it.
A.don't see B.didn't see C.haven't seen D.won't see
( )78. He could_____ neither French or German, so I____ with him in English.
A, speak, talked B. talk, told C. say, spoke D. tell, talked
( ) 79. I ________a very interesting programme on the radio this morning.
A. listened B. heard C. saw D. watched
( )80. Could you _______ me your bike? Mine is broken. --Sure. It's there.
A. borrow B. lend C. giving D. return
答案：71-80: CBADD DAABB