单项选择题

The police warned the residents in the area to keep their doors and windows ______ at night.

A．closed
B．closing
C．to close
D．to be closed
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单项选择题
I have enjoyed my visit here. I'll be very sorry ______.
A．for leaving
B．to leave
C．of leaving
D．with leaving
单项选择题
It will be difficult to dissuade him now that he ______ his mind.
A．is making up
B．made up
C．is to make up
D．has made up
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