题目内容
---- How do you reuse paper?
---- When we write on a piece of paper, we should use _________ of it.
A. one side B. both sides C. all sides D. neither side
B
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题目内容
---- How do you reuse paper?
---- When we write on a piece of paper, we should use _________ of it.
A. one side B. both sides C. all sides D. neither side
B