In class, a teacher may ask students to raise their hands before they speak.

在课堂上，老师可能会要求学生在发言前举手。

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Schools should not ask students to do homework on the phones and they should set up teacher hot lines and public phones for communication between parents and students.

学校不应要求学生在手机上做作业，他们应该设立教师热线和公共电话以供家长和学生沟通。

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In a class, is on a physical class, female teachers just to finish: students, and who also do not understand, ask the teacher can give that.

在一个班级里，正在上一堂生理课，女老师刚讲完就问：同学们，谁还有不明白的地方，就可以举说问老师。

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Now, the teacher of this class instructed the students to ask me any question they wanted.

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When students get stuck they can attend a small group lesson led by a teacher, ask a peer for help, or connect with a teacher one-on-one.

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