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
(2014·济南市名校第四次诊断性测试)—Is the letter from your mother?—Yes.But she ________the letter herself，because she doesn’t even know one word.
#62194
A
needn’t have written
B
can’t have written
C
might not have written
D
should not have written
--- Shall I tell John about it? --- No, you _____. I’ve told him already.
#63475
A
mustn’t
B
wouldn’t
C
shouldn’t
D
don’t have to
Looking after very young children _____ be very annoying sometimes, but you’ll get used to it after a while.
#62887
A
must
B
should
C
shall
D
can
______ I have a quick word with you? Something important has happened.
#62748
A
Must
B
Could
C
Would
D
Should