ai giúp mik vs ạ !!! Write the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions. (6 pts) 15. Carbon dioxide is a dangerous air________. A. pollution B. pollutant C. pollute D. polluted 16. The Golden Gate Bridge in San Francisco is a(n) ________ of this famous city. A. iconic B. icon C. symbolic D. symbolise 17. ‘_________’ means multiple forms of communication on a computer including sounds, videos, video-conferencing, graphics, and texts. A. Multimedia B. Landline phone C. Message board D. Smart phone 18. The Internet is one of the greatest __________ in human history. A. inventor B. inventors C. invention D. inventions 19. Our science teacher said that there _______ no more schools: we’d just stay at home and learn on the Internet. A. will be B. would be C. will have D. would have 20. I’d be over the moon if I _______ a chance to go to Disneyland in California. A. have C. had B. will have D. would have Write the letter A, B, C or D to indicate the most suitable response to complete each of the following exchanges. (1 pts) 21. “Forecasters say that the storm won’t move toward the land.” - “_________” A. What a pity! C. That’s a relief. B. Oh dear! D. What a bad day. Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. (1 pts) 22. Developments in science and technology are greatly changing the way we live, communicate, and travel. A. Techniques B. Progress C. Skills D. Advances