According to western culture, you______ask a woman her age; it is impolite.
A. needn"t
B. don"t have to
C. mustn"t
D. have not got to
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Jennifer didnt know you were here; otherwise she______to meet you.
A. would have come
B. had come
C. must have come
D. would come
It was very kind of you to do the washing up yesterday, but you______it.
A. mustn"t
B. wouldn"t have done
C. mightn"t have done
D. needn"t have done
An ambulance was waiting in the street, somebody______hurt or killed.
A. should have been
B. must have been
C. should be
D. should not have been
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