—Look，your father is playing the piano over there.—He________ be my father. He has gone to Beijing.
#76700
A
mustn’t
B
can’t
C
shouldn’t
D
may not
推荐题目
My computer ____start, no matter how hard I try.-lt might have crashed.
#62243
A
won't
B
shouldn't
C
mustn't
D
wouldn't
---I was trying to carry out the plan, but I failed.---Well, you _____, for we were uncertain it would do ____.
#63211
A
needn’t do that, in fact
B
needn’t have done, in effect
C
needn’t have, in practice
D
needn’t, in time
(2013·湖南高考)He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
#62396
A
wouldn't
B
shouldn't
C
couldn't
D
mustn't