题目内容
【题目】—What can we do our city clean? ( )
—We can take the bus and the metro to school.
A.keepB.keepsC.to keepD.keeping
【答案】C
【解析】
略
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题目内容
【题目】—What can we do our city clean? ( )
—We can take the bus and the metro to school.
A.keepB.keepsC.to keepD.keeping
【答案】C
【解析】
略