用心听我说话；不要打岔(手机)。
Be attentive when listening to me; do not interrupt. (Mobile phone).
学：先生，因为他们想…克：不，用心听我说。
我们都用心听我们老师讲课，我们回答问题时的答案是正确，清晰的。
All of us were listening to our teacher attentively and, when we answered questions, our answers were correct and clear.
我们都用心听我们老师讲课，我们回答问题时的答案是正确，清晰的。
All of us were listening to our teacher attentively and, when we answered questions, our answers were correct and clear.
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