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In class the students put their books()their desk A.in b.on c.behind d.under

分类: 作业答案 • 2021-12-28 18:49:01

问题描述：

In class the students put their books()their desk A.in b.on c.behind d.under

答

b.on
上课时,学生们将书放在课桌上.