1. I a book for two hours. (read)
2. They in the park all morning. (play)
3. She English since last month. (study)
4. We a movie for an hour. (watch)
5. The dog all night. (bark)
6. He on his homework since school ended. (work)
7. We for the bus since 3 o'clock. (wait)
8. It since yesterday. (rain)
9. The children video games for two hours. (play)
10. I to cook for a few weeks. (learn)
11. She her room for an hour. (clean)
12. We on the phone for 20 minutes. (talk)
13. He the piano since this morning. (practice)
14. They in this city for five years. (live)
15. The cat on the sofa all day. (sleep)
16. I every day for a month. (exercise)
17. We for the exam since last week. (study)
18. It since yesterday evening. (snow)
19. She her mom with chores for an hour. (help)
20. They soccer since lunchtime. (play)