Once you put your school things youll find them easily.A. in danger B.in order C. in det

问题补充：

Once you put your school things, youll find them easily.

A. in danger B.in order C. in detail

答案：

解析：in danger在危险中；in order整齐，秩序井然；in detail详细地。句意：一旦你将物品放得秩序井然，你就会容易地找到他们。结合语境可知选Ｂ。

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