阅读短文并选择最恰当的答案Watch a good teacher,and you will see that he does not sit motionless before his students.He stands and walks about while he is teaching.He uses his arms,hands and fingers to help himself in his explanation,and

来源：学生作业帮助网 编辑：作业帮 时间：2024/10/09 22:17:23
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