![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
Read and write.(请根据答语,写出问句) 1. A: ________________________ B : I'm reading a book. 2. A: ________________________ B: She is cleaning the room. 3. A: ________________________ B: He is writing an e-mail. 4. A: _________________ B: They are watching TV.