--Morn, must I clean my room now? --No, you . You can do it tomorrow.
#76387
A
can't
B
needn't
C
mustn't
D
shouldn't
推荐题目
A survey has shown that 40% of those killed in traffic accidents _____ if they had been wearing seat belts.
#62781
A
should have been saved
B
must have been saved
C
need have been saved
D
could have been saved
(2013·辽宁高考)Harry is feeling uncomfortable.He ________ too much at the party last night.
#62380
A
could drink
B
should drink
C
would have drunk
D
must have drunk
The work is too hard for him. He__________ finish it on time.
#77570
A
can't
B
mustn't
C
shouldn't
D
needn't
When I was a child, my father ______ read me a story at night before bedtime．
#63234
A
would
B
should
C
could
D
might
It is strange that he _________ in such an important examination .
#63158
A
failed
B
should fail
C
should have failed
D
fails