高一英语改错题：改错：Father was sitting on the sofa at ease while mother was preparing for lunch.
2020-02-22
高一英语改错题：
改错：Father was sitting on the sofa at ease while mother was preparing for lunch.
优质解答
Father sat on the sofa at ease while mother was preparing lunch.
sit 不需要用进行时,并且prepare是及物动词,不需要加介词for.
Father sat on the sofa at ease while mother was preparing lunch.
sit 不需要用进行时,并且prepare是及物动词,不需要加介词for.