单项选择题

It ______ for four days and it hasn't stopped.

A．is raining
B．has been raining
C．has rained
D．had rained
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单项选择题
My father can't operate a computer.______.
A．Nor can't my mother
B．So can't my mother
C．Neither can my mother
D．Nor my mother can either
单项选择题
It was in New York ______ I first met Mr. Smith.
A．where
B．in which
C．which
D．that
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