I. Find the word which has a different sound in the part underlined. 1. A. decision B. social C. spacious D. delicious 2. A. country B. house C. overcrowded D. town 3. A. disease B. healthcare C. decrease D. sea 4. A. transport B. travel C. image D. pavement 5. A. fear B. hear C. heart D. dear 6. A. vehicle B. rehearse C. helicopter D. perhaps 7. A. cheer B. champagne C. parachute D. machine 8. A. stays B. plays C. bays D. says 9. A. decided B. played C. listened D. enjoyed 10. A. biogas B. solar C. hydroelectric D. environment II. Choose A, B, C or D that best fits each gap. 1. The fiesta……………………every year at the end of November. A. takes B. take places C. held D. occur 2. The Samba Parade in Rio Carnival has thousands of samba…………….. from various samba schools. A. performance B. perform C. perfomer D. performers 3. We try to make the future green by using vehicles or kinds of nergy that are…………… A. environmental friendly B. environment friendly C. environmentally friendly D. environmentally friendsgip 4. We should put…………….on our roof for the heating and hot water. A. solar energy B. equipment C. cracks D. solar panels 5. Remember to…………….the lights before going to bed. A. turn B. turn off C. turn on D. turn up 6. In my opinion, nuclear power is not only expensive but also………. to our environment. A. danger B. dangerous C. risk D. disaster 7. Someone’s carbon…………….is a measurement of the amount of carbon dioxide that their activities produce. A. effect B. amount C. footprint D. energy 8. It will be………………..to ride a jet pack in bad weather because it doesn’t have a roof. A. comfortable B. pleasant C. unpleasant D. enjoyable 9. The white cat is Sue’s, and the black cat is…………. A. I B. my C. mine D. me 10. A sky safety system can help cars to……….…..traffic jams and crashes. A. use B. have C. prevent D. take 11. We are looking for types of vehicles that help us to avoid……….. A. walking B. traffic jams C. rush hours D. traffic 12. We believe that urban transport pods can travel……….around 30kph. A. in B. at C. with D. on 13. For many people living in rural areas, biogas is cheap energy………….. A. method B. production C. supply D. consumption 14. People living in the slums never get good healthcare,……..? A. do they B. don’t they C. are they D. aren’t they 15. Everyone is ready for the game,…………….? A. is it B. isn’t he C. are they D. aren’t they 16. People move to big cities for a better……………….. A. standard of living B. standard living C. standard life D. life of standard 17. Sidewalks are……………to moving walkways in airport. A. familiar B. similar C. different D. same 18. Rio de Janeiro is very cultural………………..city. A. diverse B. diversity C. different D. same 19. When…………..people live in a small place, life can be very difficult. A. a few B. few C. too much D. too many 20. Do you think it will be a(n)………, green way to travel? A. convenient B. polluted C. polluting D. inconvenience 21. Diseases…………more quickly in overcrowded areas. A. move B. travel C. spread D. come 22. In Manila, over 30% of the population lives in………. A. crops B. poverty C. shortage D. schooling 23. Children in the slums have more diseases than………..in wealthy areas. A. them B. that C. those D. X 24. Hydro power is…………….because dams cannot be built in certain areas. A. abundant B. enough C. limited D. unlimited. 25. ……………joining an English speaking club, Minh can’t speak English well. A. Although B. In spite C. Despite D. Even though 26. It’s really difficult to…………………..a bicycle up the hill. A. fly B. drive C. pedal D. sail 27. We should look right and left when we go……………the road. A. up B. across C. down D. along 28. People move to the city with the hope that they can get…….food and better healthcare. A. less B. fewer C. more D. bigger