(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
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—I wonder why Suzan looks worried today.—I’m not sure, but she ________a small accident driving here.
#63149
A
could have
B
might have
C
might have had
D
must have had
—Show me your permit, please.—Oh, it's not in my pocket. It ________.
#62323
A
must have fallen out
B
might fall out
C
could fall out
D
should have fallen out
My sister met him at the Grand Theater yesterday afternoon, so he ________ your lecture.
#63289
A
couldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
shouldn’t have attended
The driver ____ have drunk a lot before the accident, but I'm not quite sure of that．
#63008
A
might
B
must
C
should
D
would