题目

给下列句子用1、2、3、4、5、6、7标上序号，组成一段完整的对话。 I'm fine. How are you? How are you? Hello! I'm Sam. I'm fine, too. Thank you. Wow! It's beautiful! Hi! Sam. Look! Sam. This is my dog! 答案：【1】4【2】3【3】1【4】5【5】7【6】2【7】6

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