he made his sister laugh again（改为被动语态）
问题描述：
he made his sister laugh again（改为被动语态）
His sister—— —— —— ——again
we should listen to the teacher carefully in class（改为被动语态）
The teacher should—— —— ——carefully in class
I found him a good boy（写出同义句）
I found—— ——a good boy
额外给分···
答
1.was made to laugh
2.be listened to
3.he is