--My computer ____start, no matter how hard I try.--It might have crashed.
#62215
A
won't
B
shouldn't
C
mustn't
D
wouldn't
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—Must I pay for the bill now, boss?—No, you __________ pay for it after the meal.
#75532
A
needn’t
B
can’t
C
may
D
should
(2013·高考北京卷)—You needn’ t take an umbrella.It isn’t going to rain.—Well，I don’t know.It________do.
#62473
A
might
B
need
C
would
D
should
—I wonder why Mr Green hasn't showed up at the meeting yet.—I'm not sure，but he________in a traffic jam driving here.
#62838
A
could be stuck
B
might have been stuck
C
might be stuck
D
must have been stuck
The students be in the classroom because there are lights in it.
#75790
A
can
B
must
C
can’t
D
mustn’t