阅读对话,回答问题。
Sarah: Hello, Mrs. Li!
Mrs. Li: Hi, Sarah! What is everybody doing now?
Sarah: Amy is reading a book. Zhang Peng is cleaning the windows. Mike is writing a letter. Chen Jie is
drawing a picture...
Mrs. Li: Cool! Everybody is busy.
1. Who is drawing a picture?
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2. What is Amy doing?
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3. Is Zhang Peng sweeping the floor?
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