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III. Rewrite the sentences so that they have the same meaning as the original ones. 1. My foot was hurt. I managed to walk to the nearest village. (although) ________________________________________________________________ 2. I’ve been too busy to answer by email. I’ll do it soon. (nevertheless) ________________________________________________________________ 3. Did they go to school on foot? (Tag question) ________________________________________________________________ 4. A lot of people found the show boring. (bored) ________________________________________________________________ 5. Why don’t we collect the plastic bags on the beach this weekend? (What about) ________________________________________________________________ 6. I find English interesting. I am ______________________________________________________________ 7. They will install solar panels on the roof of our house next week. Solar panels _______________________________________________________ 8. People won’t burn fossil fuels for energy in the future. Fossil fuels ________________________________________________________ 9. New York has more billionaires than Tokyo. (fewer) ________________________________________________________________ 10. Jakarta doesn’t have as many skyscrapers as Shanghai. (more) ________________________________________________________________ 11. Let’s go to the school cafeteria. (about) _________________________________________________________________ 12. I couldn’t do the test because it was difficult. Because of _________________________________________________________ 13. Although he got up early, he was late for the first train. In spite of _________________________________________________________ 14. Although my friend doesn’t have enough money, she wants to buy that new car. Despite ___________________________________________________________ 15. We arrived late because of the bad traffic. Because ____________________________________________________________ 16. I enjoyed the film although the story was silly. In spite of ______________________________________________________________ 17. He didn't arrive until 9 o'clock although he promised that he wouldn't be late. (in spite of) Despite ______________________________________________________________ 18. I didn't listen to Western music some years ago. (used to) _____________________________________________________________________ 19. My mum was a chef in Cham restaurant, but now she is retired. (used to) _____________________________________________________________________ 20. There was a market here in 2003. (used to) _____________________________________________________________________ 21. The new restaurant looks good. It seems to have few customers. (however) ________________________________________________________________ ? 22. They didn't know how to drive a car, but now they can drive well. (used to) _____________________________________________________________________ 23. We planned to visit Petronas in the afternoon. We could not afford the fee. (however) _____________________________________________________________________ 24. Mary was sick. She didn’t leave the meeting until it ended. (despite) _____________________________________________________________________ 25. There were less vehicles on the roads in the past. (using “used to”) There________________________________________________________________

1/ Na2O + H2O  .................................................................... 2/CaO + CO2  .................................................................... 3/ CuO + H2SO4¬  .................................................................... 4/ SO2 + NaOH  .................................................................... 5/ SO3 +H2O  .................................................................... 6/ Mg(OH)¬2 + HNO3  .................................................................... 7/ Ba(OH)2 + FeCl3  .................................................................... 8/ Al(OH)3 (t0)  .................................................................... 9/ CaCO3 + HCl  .................................................................... 10/ Fe3O4 + HCl  .................................................................... 11/ BaCl2¬ + H2SO4  .................................................................... 12/ Zn + H2SO4  .................................................................... 13/ Mg + CuSO4  .................................................................... 14/ AgNO3 + KCl  .................................................................... 15/ KClO3 (t0)  .................................................................... 16/ Ca+ H2O  .................................................................... 17. KHCO3 + HCl  ................................................................... 18. NaOH + CO2 (tỉ lệ mol 1:1)  ................................................................... 19. NaOH + CO2(tỉ lệ mol 2:1)  ................................................................... 20/ NaOH + NaHCO3  ................................................................... 21/ Al2O3 + HCl ................................................................... 22/ Al2O3 + NaOH  ...................................................................