Four boys / choose /by the teacher/to take part in the sprts meeting last summer.变成被动语态怎么变
问题描述：
Four boys / choose /by the teacher/to take part in the sprts meeting last summer.变成被动语态怎么变
还有jake/tell/to stay and train for two more hours yesterday?
答
Four boys were chosen by the teacher to take part in the sports meeting last summer.
Jack was told to stay in the train for two more hours yesterday.