1. The students (create) a prototype last week.

2. Last night, the power (go) out during the storm.

3. She (not/make) it to the meeting on time because of traffic.

4. How many countries (you/visit) before you turned 30?

5. The old tree in our backyard (fall) during the heavy winds.

6. We (eat) at that new restaurant last night.

7. Why (he/change) his mind at the last minute?

8. The artist (hold) an exhibition last month.

9. My brother (not/believe) me when I told him the news.

10. The movie (start) at seven o'clock last night.

11. She (write) a letter to her friend in Canada last week.

12. It (snow) all day yesterday.

13. The company (introduce) a new model last year.

14. We (not/realize) how late it was until the concert ended.

15. The documentary (provide) an insightful look into the life of the famous scientist.

16. She (lose) her phone at the café yesterday.

17. I (read) the book you recommended and really enjoyed it.

18. They (play) video games instead of studying last night.

19. The teacher (not/accept) late submissions for the project.

20. Last year, our family (go) on a trip to the mountains.

1. created

2. went

3. did not make / didn't make

4. did you visit

5. fell

6. ate

7. did he change

8. held

9. did not believe / didn't believe

10. started

11. wrote

12. snowed

13. introduced

14. did not realize / didn't realize

15. provided

16. lost

17. read

18. played

19. did not accept / didn't accept

20. went

"www.ejerciciosinglesonline.com"