Bài 1:
1. to accept
2. having 3. going 4. to reach 5. opening
6. leaving 7. to return 8. buying 9. to accept 10. being
11. to be 12. to finish 13. to leave 14. to tell 15. to stop
16. driving 17. to know 18. returning 19. leaving 20. leaving
Bài 2:
1. making 2. listening 3. applying 4. washing
5. being 6. working 7. using 8. seeing
9. writing 10. being 11. trying
