--- Do you mind if I smoke here in the living room? --- Well, if you ___.  But I’d rather you didn’t.
#88028
A
can
B
might
C
must
D
needn’t
推荐题目
He is not native; if he were, we ______ this discussion over his identity.
#87100
A
would not be having
B
are not having
C
had not had
D
will not have
Don''t be worried . The news ____ be true . 
#89748
A
may not
B
mustn''t
C
needn''t
D
shan''t
I _____ have written to him because he phoned me shortly afterwards.
#90086
A
ought to
B
must
C
couldn’t
D
needn’t
Tom, ________________ you from taking a hand in that affair, you ______________ in prison.
#87060
A
if I didn’t stop; would have stayed
B
had I stopped; would be staying
C
shouldn’t I have stopped; would stay
D
if I hadn’t stopped; would have stayed