一道英语问题1.When the headmaster came into the classroom,the stud
()the headmaster came into the classroom,he was taiking houd
1.When the students came into the classroom,the teacher ( )
He came into the classroom( )一道英语单项选择题
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 ____
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 girl ___ a teacher came into the classroom
When the teacher came into the classroom,we stopped t_______