题目内容

We have prepared some umbrellas at the __________ office in the metro.

A. inform
B. information

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If you are in _______, you can take one away.

A. want
B. need

Really,I _______ it.

A. thank
B. appreciate

The ground near the subway entrance and exit may be quite ________.

A. slippery
B. slip

Our staff has already _______ the floor.

A. sweep
B. swept

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