问题描述：
the students stopped talking when the teacher came in
the students stopped talking when the teacher came in（改为同义句）
the students ____ ____talking ____the teacher came in
he came back yesterday.i gave him the note at once.（改为复合句）
i gave the note to him___ ___ ___ he came back yesterday.
the students stopped talking when the teacher came in（改为同义句）
the students ____ ____talking ____the teacher came in
he came back yesterday.i gave him the note at once.（改为复合句）
i gave the note to him___ ___ ___ he came back yesterday.
问题解答：
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