Mario used to help Mum do housework.(help Mum do housework是对画线部分提问） WhatMario

分类: 作业答案 • 2021-12-19 21:22:15

问题描述：

Mario used to help Mum do housework.(help Mum do housework是对画线部分提问） What______Mario______
to ________?

答

did use do
used to do(拓展一下)

Mario used to help Mum do housework.(help Mum do housework是对画线部分提问） What______Mario______