阅读对话,回答问题。 Sarah: Hello. Miss White. Miss White: Hi, Sarah. How is everybody doing? Sarah: Just fine. Amy is reading a comic book. Zhang Peng is cleaning the windows. Mike is sweeping the floor. Chen Jie is drawing a picture.... Miss White: Cool. Everyone is busy. (1)Who is drawing a picture? _________________________________________________________________ (2)What is Amy doing? _________________________________________________________________ (3)Is Zhang Peng sweeping the floor? _________________________________________________________________ (4)What is Mike doing? _________________________________________________________________