Listen to the tape then answer this question. How must Amy clean the floor?
听录音，然后回答问题。艾米需要如何来清扫地面？ ？
Listen to the tape then answer this question. How must Amy clean the floor?
听录音，然后回答问题。艾米需要如何来清扫地面？
Listen to the tape then answer this question. How must Amy clean the floor?
听录音，然后回答问题。艾米需要如何来清扫地面？
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