把下列句子变为被动语态

问题描述:

把下列句子变为被动语态
Last week we cleand the classed
Marry played the computer happily yesterday
Edision invented the lightblub
Did he turn on the TVlast night
The factory produces cars

Last week we cleand the classroom 变为 Last week the classroom was cleaned by us.Marry played the computer happily yesterday —— The computer happily was played by Marry yesterday.Edision invented th...