Someone is knocking at the door. It my sister. It's time for her to be back.
#75649
A
can’t be
B
may not be
C
must be
D
mustn’t be
推荐题目
No student ______ go out of school for snacks during the break without the teacher’s permission.
#63050
A
will
B
must
C
shall
D
may
--- Shall I take your iPad to the shop to be repaired?--- Thanks, you _________. There is nothing wrong now.]
#63553
A
mustn’t
B
oughtn’t to
C
can’t
D
needn’t
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
You ______ be hungry already—you had lunch only two hours ago!
#75956
A
wouldn’t
B
can’t
C
mustn’t
D
needn’t