Choose the best answers to complete the sentences.

(Chọn câu trả lời đúng nhất để hoàn thành câu.)

44. ___________________________________, she has not been ill.

A. Since Lan started eating a balanced diet

B. When Lan started eating a balanced diet

C. After Lan started eating a balanced diet

D. Before Lan started eating a balanced diet

45. ___________________________________ in the past, but now people live longer.

A. Life expectancy is low

B. Life expectancy was low

C. Life expectancy has been low

D. Life expectancy had been low

46. I’ll watch the TV programme about smart cities _______________________________.

A. so it sounds interesting

B. because it sounded interesting

C. because it sounds interesting

D. because it doesn’t sounds interesting

47. Let’s put the rubbish out tonight __________________________________.

A. so it smells bad

B. so I can smell it

C. because I am smelling something bad

D. because it smells bad

Choose the sentence which has the closest meaning to the original one.

(Chọn câu có nghĩa gần nhất với câu gốc.)

48. You mustn’t use your electronic devices after 11:30 p.m.

A. You are not allowed to use your electronic devices after 11:30 p.m.

B. You can only use your electronic devices after 11:30 p.m.

C. You can turn on your electronic devices after 11:30 p.m.

D. You don’t have to use your electronic devices after 11:30 p.m.

49. After getting married, young couples don’t have to live with their parents.

A. Young couples must live with their parents even when they are married.

B. After getting married, it is not necessary for young couples to live with their parents.

C. Young couples mustn’t live with their parents after getting married.

D. Young couples should live with their parents after getting married.

50. Parents should listen to their children's opinions.

A. It is compulsory for parents to listen to their children's opinions.

B. It is unnecessary for parents to listen to their children's opinions.

C. Listening to their children's opinions is the right thing for parents to do.

D. Parents don’t have to listen to their children's opinions.