单项选择题

This factory has been ______ for two weeks.

A． open
B． opening
C． opened
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单项选择题
--Can I get you a drink --That's very nice of you. I've already got ______.
A． it
B． one
C． that
单项选择题
There isn't too ______ food here.
A． many
B． much
C． few
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