when the teacher came in,the students were doing homework.的同义句,用while来改!
问题描述：
when the teacher came in,the students were doing homework.的同义句,用while来改!
答
while the students were doing homework,the teacher came in.
不要听楼下地胡扯.我们两个地回答可以算对.但是二楼的修改原句了,这种情况容易被扣分