单项选择题

I ______ have written to him because he phoned me shortly afterwards.

A．ought to
B．must
C．couldn't
D．needn't
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单项选择题
So seriously ______ in the accident that he was sent to hospital at once.
A．he was wounded
B．was he hurt
C．be did injure
D．did he hurt
单项选择题
--Some young people today seen, to believe in ______ more than fashion and pop music. --I agree. But they should seek after elegant taste.
A．not
B．nothing
C．nobody
D．none
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