你弟弟正在干什么？他正在打扫教室。的翻译：Is your brother doing? He is cleaning the classroom. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Your brother is doing? He was cleaning the classroom.

Is your brother doing? He is cleaning the classroom.

What is your younger brother doing? He is cleaning the classroom.

What is your brother? He is being cleaned classrooms.

Is your brother doing? He is cleaning the classroom.