——Dad, must I finish my homework today?——No, you         . You may do it tomorrow.
#75801
A
needn’t
B
mustn’t
C
don’t
D
won’t
推荐题目
—Must I make a phone call to him now?  —No, you________. You ______ write an email.
#76090
A
mustn’t; may
B
may not; must
C
shouldn’t; must
D
don’t have to; may
You __________ buy a gift, but you can if you want to.
#63027
A
must
B
mustn’t
C
have to
D
don’t have to