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---You _________to our Mom like that. It was awfully impolite. ---You are right. I must have been crazy at that moment.
#87529
A
mustn’t have talked
B
needn’t have talked
C
shouldn’t have talked
D
may not have talked
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Smoking pollutes air. You ______ smoke here.
#87295
A
won’t
B
can’t
C
ought not to
D
needn’t
Don''t be worried . The news ____ be true .
#89748
A
may not
B
mustn''t
C
needn''t
D
shan''t
If it      the climate, I would stay here much longer．
#86441
A
is not for
B
had not been for
C
were not for
D
would not be for
“Shall I come tomorrow ？” “I’d rather you ______.”
#88163
A
won’t
B
didn’t
C
don’t
D
wouldn’t
 If human beings had been a bit less greedy and cruel, more birds and animals _______dying out.
#89245
A
ought to avoid
B
could have been avoided
C
should have avoided
D
might have avoided