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补全对话
Tom: May, come and look at my old !
May: That's funny. You are wearing a pink .
Tom: Yes, but I don't like pink now.
May: We are all different now!
Tom: Right. Before, I was quiet. Now, I'm very in class. How about you?
May: Before, I was . Now, I'm tall. Before, I couldn't ride my bike well. Now, I go every day. I like it very much.
Tom: That is good exercise.
