问题
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My nephew ______ from home for three days now, and I am beginning to worry about his safet
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Speaker A: Im worried about those classes I missed when I was sick. Speaker B:______A.I am
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So little______about physics that the lecture was completely beyond my understanding.A.I k
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--- I was worried about chemistry but Mr Brown g
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A.Because she was worried about the birthday part
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—I was worried about my math but Mr.Brown gave me an A. —______________.A.Don’t worry about it.B.Con