过去进行时的专项练习!世上并没有用来鼓励工作努力的赏赐，所有的赏赐都只是被用来奖励工作成果的。这是小编为大家准备的汇总，供同学们学习参考。
一、用动词的适当形式填空
1. While we __________ (wait) for the bus, a girl __________ (run) up to us.
2. I __________ (telephone) a friend when Bob __________ (come) in.
3. Jim __________ (jump) on the bus as it __________ (move) away.
4. We __________ (test) the new machine when the electricity __________ (go) off.
5. She __________ (not want) to stay in bed while the others ________________ (all, work) in the fields.
6. While mother ________ (put) Cathy to bed, the door bell ________ (ring).
7. As I __________ (walk) in the park, it __________ (begin) to rain.
8. Even when she ___________ (be) a child she ________________ (already, think) of becoming a ballerina (芭蕾舞演员).
9. It was quite late at night. George __________ (read) and Amy __________ (ply) her needle when they __________ (hear) a knock at the door.
10. There __________ (be) a group round the fire when they __________ (reach) it. An old woman __________ (sit) on the ground near the kettle; two small children __________ (lie) near her; a donkey __________ (bend) his head over a tall girl.
以上就是小编为大家整理的过去进行时的专项练习，同学们还有其他学习上的问题，可拨打免费课程咨询热线电话：400-810-2680，那里有专业的老师为大家解答。
