Đáp án:

33. If you did not exercised enough then you will not be appropriate.

34. The poor in the flooded areas have been helped by people across the country.

35. Because it was cold in the morning, the children went to school wearing heavy clothes.

36. The reason why I missed the beginning of the movie. Because my car is broken.

37. It was very dark inside so we could hardly see any gfi thing.

38. Jane is very sad about losing her wallet, which is understandable.

39. Whenever I start the engine there is always a strange noise.

40. From Sean's apartment close enough for him to walk to work. You have no reason to take it a taxi.

33. If you did exercise, you will be unfit.

34. The poor people in the flood region have been helped by people all over the country 

35. Because of coldness, children go to school in heavy clothes.

36. 

37. It is very dark inside so we could hardly see anything.

38. Her wallet which was understandable Jane was upset about having lost

39. I start the engine whenever there is always a strange noise.

40.