Seeing their teacher ( )(walk)into the classroom,they

Seeing their teacher ( )(walk)into the classroom,they Seeing their teacher ( )(walk)into the classroom,they stoppe ____the teacher came into the classroom,they were arguing the teacher came into the classroom quiet They sit in the classroom ______ their we saw him walk into the classroom 改为被动语态 When the teacher came into the classroom,the students _____( When the teacher comes into the classroom,the students_____( When the teacher came into the classroom,the students ______ When the teacher came into the classroom, the students ____ 1.When the students came into the classroom,the teacher ( ) when the teacher came into the classroom,the students were (