赞题库-背景图
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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热门试题

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