—Must I clean the blackboard now? —No, you _______ clean it later.
#76778
A
must
B
needn’t
C
can
D
shouldn’t
推荐题目
I told Sally how to get there, but perhaps I ________ for her.
#62969
A
had to write it out
B
must have written it out
C
should have written it out
D
need to have written it out
The problem is too difficult for him. He _______ solve it by himself without any help.
#76048
A
can't
B
mustn't
C
shouldn't
D
needn't
—Can we run across the road now?—No, we _ . We have to wait until the light turns green.
#75388
A
needn't
B
mustn't
C
couldn't
D
shouldn't
Kids _________ use the computers to draw in the future.
#76487
A
can
B
could
C
will be able to
D
will can
