I saw the boy enter the room变成被动语态
问题描述:
I saw the boy enter the room变成被动语态
the boy( ) ( )( ) ( )the room
答
the boy (was) (seen)(to) (enter)the room
I saw the boy enter the room变成被动语态
the boy( ) ( )( ) ( )the room
the boy (was) (seen)(to) (enter)the room