40. Work hard or you’ll fail in the next exam.

=> Chọn : A. If you don’t work hard, you’ll fail in the next exam.

Vì : Các câu còn lại không hợp nghĩa, còn câu D không đúng cấu trúc 

41. A girl lives near my house. She was interviewed on TV last night.

=> Chọn : D. The girl who lives near my house interviewed on TV last night.

Vì : câu A sai chữ 'living' , câu B sai nghĩa sai cấu trúc , câu C 'interviewing' sai

42. Although it was raining heavily, they still wanted to go to school.

Chọn : B. Despite raining heavily, they still wanted to go to school.

Vì : có despite chứ ko có despite of , câu C sai cấu trúc

Cấu trúc : Despite + Noun/Noun Phrase/V-ing

43. “ I can’t help you because I have too much to do,” Mary said to me.

Chọn : D. Mary said me that she couldn’t help me because she had too much to do.

44. She typed the letter in half an hour.

Chọn : D. It took her half an hour to type the letter.

Cấu trúc : Took (sb) + time + to do something

45. Julia started teaching at this school ten years ago.

Chọn : A. Julia has been taught at this school for ten years.

Cấu trúc : S + have/has + V-ed/C3

40. Work hard or you’ll fail in the next exam.

-> C. Unless you don’t work hard, you’ll fail in the next exam.

CT: or: hoặc -> dùng Unless....= If...not....

41. A girl lives near my house. She was interviewed on TV last night.

-> D. The girl who lives near my house interviewed on TV last night.

CT: S who V vế 1 vế 2

42. Although it was raining heavily, they still wanted to go to school.

-> C. Despite the heavy rain, they still wanted to go to school.

CT: Although + S + V = Despite + a/an/ the + adj + N

43. “ I can’t help you because I have too much to do,” Mary said to me.

-> A. Mary told me that she couldn’t help me because she had too much to do.

CT: S told sb to v = S said that S V

44. She typed the letter in half an hour.

-> D. It took her half an hour to type the letter.

CT: It takes sb + time + to do sth = S spends + time + doing sth

45. Julia started teaching at this school ten years ago.

-> B. Julia has been teaching at this school ten years ago.

CT: S + started / began + V-ing = S + have been + V-ing