Know the name and something about the background of your private teacher back home.
记住你个人指导老师的名字和一些背景。
For instance, your teacher is giving you some background material on American history.
比如说，你的老师正在讲述美国历史的背景资料。
For instance, your teacher is giving you some background material on American history.
比如说，你的老师正在讲述美国历史的背景资料。
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