they should do the work at once改被动语态

they should do the work at once改被动语态 They should do it at once.改成被动句. they took the sick boy to the hospital at once改为被动语态 at once Them made the boy do the woke at once.改为被动语态 they should do it.at once They should do it at once. do your homework at once改为被动语态 The boss made the little boy do heavy work.改为被动语态怎么改? they should always do everything well 改成被动语态 主动语态改被动语态1.All the people laughed at him 2.They made the bik the letter _ _(must post) at once 被动语态 They had lunch at school yesterday.改被动语态