Question

两题英语改句，急求~~

1、None of the students put up their hands expect Tony yesterday(保持原句意思）
____ Tony ____ his hand yesterday.
2、Who cleaned the classroom for us last Friday?(改为被动语态）
By ____ ____ the classroom cleaned for us last Friday?

Answer 1

1、None of the students put up their hands expect Tony yesterday(保持原句意思）
__Only__ Tony raised____ his hand yesterday.
2、Who cleaned the classroom for us last Friday?(改为被动语态）
By _Whom___ _was___ the classroom cleaned for us last Friday?

Answer 2

only Tony rose his hands yesterday
by whom has the classroom cleaned for us last friday