— What are you going to do this weekend?— I don’t know. I ______ visit a friend.
#63111
A
might
B
can
C
should
D
must
推荐题目
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
This pair of shoes ______ Li Gang’s .It’s too big for him .
#76442
A
can’t be
B
could be
C
might be
D
must be