过去进行时的用法小练（下）
I.用括号中所给动词的正确形式填空。
1. Li Ming ____________in Canada last year and he will go there next month. (study)
2. Danny ____________ a model plane when the light went out. (make)
3. The teachers and their students ___________ a lot of trees in the park the day before yesterday. (plant)
4. __________ you _________ games with your friends at four o’clock last Sunday afternoon? (play)
5. Zhang Hong __________ all the candles a moment ago. (light)
6. While I ____________ the door, Jenny suddenly walked in. (close)
7. Liu Ling told us she ____________ home the next morning. (arrive)
8. _________ you _________ the hill with your friends yesterday? (climb)
