the students clean the classroom after school 把句子变成被动语态 并把被动语态变成一般疑问句 并作肯
问题描述：
the students clean the classroom after school 把句子变成被动语态 并把被动语态变成一般疑问句 并作肯
答
The classroom is cleaned by the students after school.
Is the classroom cleaned by the students after school?
Yes,it is .