科研之友
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<正>Are you a polite kid? Before you answer, let’s do a quiz.(1) If you want to borrow a pencil from a classmate, what will you say?A. Say"May I borrow a pencil?"B. Say"Give me a pencil."(2) What will you say if someone asks,"Do you want to have a cup of tea?"A. Say"Yes, please."B. Say"No, I don’t."
