31. If you don't exercise more, you can't have a good health.

conditional sentences type 1 structure: if + Simple Present, will-Future

32. Too many telephone poles, advertising billboards, or shop signs cause visual pollution.

33.  If we don't take action immediately, the air will become completely polluted.

conditional sentences type 1 structure: if + Simple Present, will-Future

34. Both weeds and aquatic plants die of herbicides.

die of: chết bởi

35. If many people respect the environment, it isn't now in danger.

36. Since the water is contaminated, people get more diseases.

Since/ As/ Because+ clause1, clause2: Bởi vì...................,..........................

37. Because of breathing in unclean air, my uncle suffered from lung cancer

Because of/ Due to+ N/ V-ing,...............= Bởi vì...................,..........................

38. The street will look attractive if people stop throwing rubbish in street.

39. Due to the heavy rain, the road in front of my house was flooded.

Because of/ Due to+ N/ V-ing,...............= Bởi vì...................,..........................

40. Light pollution may result from too much use of electric lights in cities.

result from: gây ra bởi

Đáp án:

31. If you don't exercise more, you can't have a good health.

32. Too many telephone poles, advertising billboards, or shop signs cause visual pollution.

33.  If we don't take action immediately, the air will become completely polluted.

34. Both weeds and aquatic plants die of herbicides.

35. If many people respect the environment, it isn't now in danger.

36. Since the water is contaminated, people get more diseases.

37. Because of breathing in unclean air, my uncle suffered from lung cancer.

38. The street will look attractive if people stop throwing rubbish in street.

39. Due to the heavy rain, the road in front of my house was flooded.

40. Light pollution may result from too much use of electric lights in cities.

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