31. No.

32. Passengers.

33. Young man, because they often choose faster car with bigger engines.

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31. No, they aren't. (According to a recent survey, young and inexperienced drivers are the most likely to have an accident)

32. Passengers have an effect on the driver. (One of the most interesting facts in the survey is that passengers have an effect on the driver)

33. Young men have the worst records of all, because they often choose faster cars with bigger engines. (Young men have the worst accident records of all. They often choose faster cars with bigger engines)

34. Young male drivers drive carefully when their wife or girlfriend is in the car. (Đề bài lỗi when young male drivers -> không phải husbands or boyfriend)

35. Women drive more slowly and safely when their small children in the car. (Đề bài lỗi, nên sửa young male -> young female)