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
– Could I use your mobile phone? I have to call my mom for the coming class meeting. --Yes, of course you _____________.
#75691
A
must
B
can
C
need
D
will
— I heard they went skiing in the mountains last winter. — It ________ true because there was little snow there.
#63587
A
may not be
B
won’t be
C
couldn’t be
D
will be
— Must I finish my homework now?— No, you ________. You can go home now.
#74417
A
needn’t
B
mustn’t
C
shouldn’t
D
can’t