III. Put the verbs in brackets in the correct form: 11. You (not get) _________what you want unless you work harder. 12. The teacher said this water (be) _________too contaminated to be used. 13. Development in medical science (help) _______people live longer in the future. 14. If we had flying cars now. we (solve) _______the problem of traffic jams. 15. Anna said she (be) _______going to leave when Tom came. 16. My family (attend) _______a flower festival this time next week. 1 7. The mother told her son (not behave) _______:so impolitely. 18. Phong said that he (help) _______his parents to clean the house at 4 A.M the previous day. 19. By the time you receive the letter. I (leave) _______for Paris. 20. By this time next summer, you (complete) _______your final exam. Giúp em với ạ hứa vote 5 sao :333