过去进行时语态讲解及练习(12)

　　6． What were the students doing the whole afternoon last Friday?They were putting up the posters on the wall.

　　7．This time yesterday some students were planting trees and some were watering the trees.

　　8． When the teacher came into the classroom, the students were talking about that day’s news.

　　9． When the tiger was waiting for the monkey, he heard a sound.

　　10 Was it raining when school was over this morning?Yes, it was raining heavily.