1. The doctor advised me (not smoke)_____ cigarettes 2. The boys stopped (play)_____ football because of the rain 3. Mai's mother told Mai (correct)_____ the mistakes in her dictation 4. Would you like (listen)_____ to some music? 5. Lan asked me (go)_____ to the supermarket 6. I think you should (do)______ morning exercises regulary 7. Don't let children (play)_____ with matches 8. You ought to (do)______ the homework yourself 9. My father stopped (smoke)______ five years ago 10. Mai does't have enough money (buy)______ a new bicycle 11. I need (buy)_____ some notebook 12. My teacher said i should (spend)_____ more time on my English 13. Mr.Hung told me (tell)_____ him the truth 14. They asked their children (stay)_____ at home 15. Nam must (do)_____ the homework himself 16. My mother decided (buy)_____ a house last week 17. I'd like (buy)_____ some eggs 18. The woman (sit)_____ between Mrs.Hoa and Mrs.Ha is my mother 19. Would you like (take)_____ a photo? 20. It is interesting (study)_____