While the teacher ---(have )an english lesson

While the teacher ---(have )an english lesson while we ____the book,teacher ___into the classroom the teacher tells us to take n( )while listening to the teacher.首字母填空 5.While the students＿,the teacher came in. 6.I th5.While the students＿,the teacher came in. 6.I thought it＿. 首字母填空：Don't d__ the problem with your deskmate while the teacher is speaking. 5．The students ________（make） noises while the teacher ________（be） away. when the teacher came in,we were reading.(用while改写句子） （ ）the teacher came in, they were talking and laughing. A.while B.when ____the teacher came into the classroom,they were arguingbefore after until while as 选 our English teacher always walks a_____ the classroom while we are reading aloud. While the head teacher is away.I will be responsible for you.怎么合并? I （meet）my English teacher while I （walk）in the park You'd better take n_____ while you are listening to the teacher. The teacher told us to c____ on with our work while he was away while the when the teacher came in,the students were doing homework.的同义句,用while来改! ——the teacher came into the classroom,many students were taking to each other.用when还是while.why? While we were talking,the teacher came in.此句 可不可以用when代替while?while 在此句中可不可以用when代替?如果可以请讲讲理由,别复制一大堆那种when while的那个区别.