Tom's father is reading a newspaper in ...

【题目】Tom's father is reading a newspaper in the sitting room. (就画线部分提问)

_______ Tom's father _______ in the sitting room?

【答案】What's    doing   

【解析】

原句句意：汤姆的父亲正在客厅里看报纸。画线部分是动作，用What提问，句子是进行时，用What's，原动作用doing代替，故答案为What's；doing。