单项选择题


A．At a shop
B．At a restaurant
C．At a cinema
D．At the post office
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单项选择题
What does the word air in the first line mean ______.
A．To put a piece of clothing in a place that is warm or has a lot of air, so that it smells clean.
B．To let fresh air into a room.
C．To broadcast a program on television or radio.
D．To pump something.
填空题
a proposal
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