He________sleep，although he tried to，when he got on such a hunt for an idea until he had caught it.
#62298
A
wouldn’t
B
shouldn’t
C
couldn’t
D
mustn’t
推荐题目
He have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
#62185
A
should
B
must
C
wouldn’t
D
can’t
I talked for a long time, and in the end I_____ make her believe me.
#63024
A
should
B
can
C
was able to
D
must
The cakes in the restaurant _______，so they _______ well.
#77575
A
are tasted better; are sold
B
are tasted well; sell
C
taste terrible; are sold
D
taste nice; sell
--- Don't worry. I've just sent an ambulance to you. They ________ be there any second.
#63010
A
could
B
might
C
would
D
should
—Must I finish the homework tonight?—No, you .You can finish it tomorrow.
#75652
A
mustn’t
B
needn’t
C
need
D
must