---Must I fill in the form?   --No, _______.
#87762
A
you must
B
there’s no need
C
you needn’t have
D
you needn’t to
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_____ to do the work, I should do it some other day.   
#89407
A
If were I  
B
I were 
C
Were I 
D
Was I
Smoking pollutes air. You ______ smoke here.
#87295
A
won’t
B
can’t
C
ought not to
D
needn’t
Bob said he was going to join our club but he didn’t. What a shame! He ______ his mind.
#87666
A
can’t have changed
B
mustn’t have changed
C
wouldn’t have changed
D
shouldn’t have changed