I _____ the operation unless it is absolutely necessary.
A. rather would not have
B. would rather not have
C. would rather
D. would not rather had
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I would go to visit them but l _____ think they are anxious to see me .
A. haven't
B. didn't
C. wouldn't
D. don't
Since it is already midnight. we_______.
A. had better left
B. ought to have left
C. should take leave
D. might as well leave
An ambulance was waiting in the street. Somebody _____ hurt or killed.
A. should have been
B. must have been
C. should have not been
______to you like that?
A. How dared he spoke
B. How dares he speak
C. How dare he speak
D. How dares he to speak