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
--Tibet, a part of China can not suddenly become its own country.--_______. All the Chinese people are against it
#74679
A
Yes, it can
B
Yes, it can’t
C
No, it can
D
Certainly not
I'm going to Europe on vacation together with John if I ________ find the money.(2012·全国Ⅱ)
#62442
A
can
B
might
C
would
D
need
— __________ we leave the library before 5 o’clock?— No, you needn’t. You can stay here until 5:30.
#74504
A
Must
B
May
C
Can
D
Could
——Dad, must I finish my homework today?——No, you . You may do it tomorrow.
#75801
A
needn’t
B
mustn’t
C
don’t
D
won’t