Without gravity, we _____ walk on the ground as freely as we do now.
#63085
A
couldn’t
B
mustn’t
C
shan’t
D
needn’t
推荐题目
When I went to their house, there was no light on. They _____ at home.
#62992
A
can’t be
B
couldn’t be
C
can’t have been
D
mustn’t have been
——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
The weather in Liupanshui is ________ too cold _______ too hot.
#75054
A
neither; nor
B
either; or
C
not only; but also
D
both; and
—Amy , I would like your uncle to help me repair the computer. —Sorry, he _____help you today . He won’t come back until tomorrow.
#74730
A
shouldn’t
B
may not
C
can’t
D
mustn’t
— Dad, must we wait until the light becomes green? — Yes, I’m afraid we ______. That’s the traffic rule.
#74945
A
can
B
may
C
have to
D
need