is ,who ,floor ,the ,sweeping?(用现在进行时组句

问题描述:

is ,who ,floor ,the ,sweeping?(用现在进行时组句

who is sweeping the floor? (是谁在擦地板?)
请采纳

楼上三个都是正解。

Who is sweeping the floor

Who is sweeping the floor?

Who is sweeping the floor?
谁正在扫地?