When the teacher left the classroom,the children noisy.
When the bell rang,the children hurried into the classroom.(
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 entered the classroom,he found 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 (
When the teacher came into the classroom, the students _____
When the teacher came into the classroom, the students  
When the teacher came into the classroom, the students stopp
When the teacher comes into the classroom,the blackboard is