I hope the teacher in class so that the active classroom atmosphere.

希望老师在上课时使课堂气氛活跃。

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Fourth, teachers of mathematics class active classroom atmosphere.

第四，教师活跃数学课的课堂气氛。

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Fourth, teachers of mathematics class active classroom atmosphere.

第四，教师活跃数学课的课堂气氛。

youdao