题目内容

use up

A. 使用
B. 用完

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cut down

A. 剪短
B. 砍掉,减少

it happened that

A. 似乎
B. 碰巧

I hear there is Sandstorm in Beijing.

A. That is terrible.
B. I don'tknow.

loudspeaker

A. 大声说
B. 扩音器

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