–May I smoke in the room? --No, you______________. It’s a non-smoking room..
#87943
A
mightn’t
B
won’t
C
needn’t
D
mustn’t
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_____ his overdrinking, the accident would not have happened.
#87455
A
If it weren’t for
B
But for
C
Not had it been for
D
Had it not been for
 I insisted that a doctor        immediately.
#86726
A
has been sent for
B
sends for
C
will be sent for
D
be sent for
 — Dare you go swimming in the sea ?   — No , ____ . 
#89741
A
I dare not
B
don''t dare
C
don''t dare go
D
I am afraid