题目内容：

The students were waiting for their teacher in the classroom.(同义句)

优质解答

楼上的都不对 只写到被动 没有把进行时写上
正确的写法
The teacher was being waited by the students in the classroom

追问：

The students ___________in the classroom ，___________ ________ their teacher

追答：

填 were waiting for 后半句不是个句子 是做状语 动词ing表主动