Vote 5 sao nè Đừng có trả lời linh tinh nhé !!! 1. Environmental pollution has ___ to lots of health problems. * led made caused resulted 2. ___ industrial waste, many fish cannot survive. * Because of As Because Since 3. To protect the environment, we should use more ___ sources of energy such as wind and solar power. * reproduced renewable reused recycled 4. According to scientists, exhaust fumes are ___ our hometown. * measuring radiating treating poisoning 5. ___ effects created an amazing world in the movie, it looked so real! * Terrific Special Incredible Moved 6. If tourists ___ rubbish in the river, the water would be cleaner now. * threw didn’t throw don’t throw 7. Linda: Where have you been so long, Chris? I ___ for ages. Chris: I ___ to Vietnam with my family. * don’t see / travel don’t see / have traveled haven’t seen / traveled didn’t see / traveled 8. Australian ___ English as their mother tongue. * have use use Tùy chọn 4 have used 9. The flight ___ off at 19:10, so we need to hurry up or we’ll miss it. * takes took will take is going to take 10. If you have a chance to visit Thailand, come to see the Grand Palace. It is one of the most popular tourist ___ in Thailand. * attracted attractive attractions attracts 11. Chicago ___ the third largest city in the United States. * will be has been was is 12. Chicago ___ "The Windy City * often is called is often called often calls was called 13. Over three million people ___ in the two hundred and twenty-five mile area of Chicago. * is living lived will live are living 14. Today, some of the world's tallest and most famous skyscrapers ___ in the city. * finds is found will be found are found 15. Located in the heart of the city ___ the one hundred and ten story Sears Tower. * will be is are has been 16. Trees have ___ a meaningful role in the historic development of Canada. * done played given taken 17. Singapore is famous for its ___ and green trees. * cleanliness cleaning cleanly clean 18. On Christmas Eve, most big cities, especially London are ___ with colored lightsacross the streets and enormous Christmas trees. * made hang put decorated 19. In the United States there are 50 ___ and six different time zones across the country * countries states towns nations 20. The Maoris ___ in New Zealand from other Polynesian islands over a thousand years ago. * arriving arrived has arrived arrives