tham khảo :
1.Did he meet his friends at the library yesterday?
2. Students do a lot of things in class.
3. They carved stones at school last week?
4. Did you write me an email last night?
5. Did my grandma have a good day yesterday?
6. She got up early last Monday?
7. My mother lost her keys last night.
8. I got here at eight o'clock. I'm not here at nine o'clock.
9. She didn't bring her books with her.
10. They fought in the playground yesterday.
11. We didn't fly to London last week.
12. Paul draws a tree.
13. He forgot his homework.
14. My dad chose the red one.
15. Susan sells her old books.
16. My cousin doesn't have a computer.
17. I slept a lot after the party.
18. I broke my arm in the park.
19. Sarah burned her hand in the kitchen.
20. This bike costs fifty euros.