单项选择题

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

A．cleaning
B．be cleaning
C．clean
D．being cleaned
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单项选择题
Tom lived in a northern city ______.
A．at some time
B．in the time
C．for one time
D．at one time
单项选择题
He is too weak to ______ the heavy box.
A．rise
B．put
C．raise
D．arise
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