He ______ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
#62659
A
wouldn’t
B
shouldn’t
C
couldn’t
D
mustn’t
推荐题目
Whether dying patients be helped to end their lives is a tough moral question.
#62244
A
must
B
should
C
might
D
would
The weather turned out to be fine yesterday. I _______ have taken the trouble to carry my umbrella with me.
#63182
A
should
B
could
C
needn’t
D
mustn’t
We________finish it ahead of time, though it was such a tough task.
#62441
A
could
B
would
C
were able to
D
ought to
—Dad，can I go to the movies tonight?--Sure，but you__come back home before 9 o’clock.
#76861
A
can
B
must
C
may
D
might