37. There weren’t many international schools 10 years ago.

A. There used to be many international schools 10 years ago.

B. There didn’t used to be many international schools 10 years ago.

C. There didn’t use to be many international schools 10 years ago.

D. 10 years ago, there wasn’t many international schools.

38. In spite of his broken leg, he managed to get out of the car.

A. Although his leg was broken, he managed to get out of the car.

B. Because he managed to get out of the car, his leg was broken.

C. He managed to get out of the car because his leg was broken.

D. But his leg was broken, he managed to get out of the car.

39. People wrote letters in the past, but now they use emails.

A. People used to write letters. B. People are used to writing letters.

C. People get used to writing letters. D. People used to write emails.

40. Using public transport is more convenient than walking to work.

A. I prefer public transport than walking to work.

B. I like public transport than walking to work.

C. I prefer using public transport to walking to work.

D. I prefer to using public transport to walking to work.