问题描述：
7.Mary asked,"Who called whie I was out?Did he leave a message?"
8.He said,"How long have you been learning English?Your accent is very good."
9.Mother asked,"You are late home,What have you been doing?"
10.John said,"Have you got a dictionary?I've forgotten to bring mine.
8.He said,"How long have you been learning English?Your accent is very good."
9.Mother asked,"You are late home,What have you been doing?"
10.John said,"Have you got a dictionary?I've forgotten to bring mine.
问题解答：
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