单项选择题

The library needs______, but it'll have to wait until Sunday.

A．cleaning
B．be cleaned
C．clean
D．being cleaned
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单项选择题
It is ten years ______Miss Green returned to Canada.
A．that
B．when
C．since
D．as
单项选择题
Mrs. Smith warned her daughter______ after drinking.
A．never to drive
B．to never driver
C．never driving
D．never drive
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