23. Every day over 1,000 new cars add to the city and the city of over 20 million people is getting more and more . A. expensive B. famous C. difficult D. gridlocked
24. My brother and I often come to school foot.
A. at B. in C. by D. on
25. Skycycling tubes will be easy . A. drive B. to drive C. ride D. to ride
26. The white cat is Helen’s, and the black cat is .
A. my B. I C. mine D. of mine
27. Driverless cars have already , and they look so cool.
A. gone B. travelled C. exist D. existed
28. This is Linda’s hat, and those shoes are .
A. her B. hers C. our D. their
29. If I have a jet pack. I will use to fly anywhere easily.
A. my B. mine C. his D. their
30. A sky safety system can help cars to traffic jams and crashes.
A. prevent B. have C. use D. take
31. I think in the future cities will be more crowded and the traffic will get .
A. good B. well C. worse D. worst
32. Remember to the lights before going to bed.
A. turn B. turn off C. turn on D. stop
33. Fossil fuels are very common in our society but they the environment.
A. renew B. provide C. waste D. pollute
34. What should we do to our electric bills?
A. fall B. cut down C. drop D. reduce
35. The digital camera belongs to Nick. That camera is .
A. him B. he C. his D. one
36. Is this schoolbag ? A. you B. your C. yours D. them
37. In that country, over 30% of the population live in .
A. poor B. poorer C. poverty D. the poor
38. Children who malnutrition can have a lot of diseases.
A. suffer from B. avoid C. gain D. obtain
39. There are more problems in the slums than in the areas.
A. wealth B. richness C. wealthy D. country
40. Several governments try to the use of fossil fuels.
A. reduce B. incr
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Sinh Học lớp 12
