Đáp án D
Không sử dụng mạo từ đứng trước các danh từ mang nghĩa khái quát, chung chung.
Dịch: Ở hầu hết các nước phát triển, lên đến 50% dân số học đại học ở 1 khoảng thời gian nào đó trong cuộc đời họ.
Smoking is extremely detrimental to health, _____ many people continue to smoke anyway.
Many years ago, black children were _____________ to discrimination in many schools.
The authorities recommend that the meeting _____________ next Monday.
Her husband is very kind. He always cares _____ her and never puts all of the housework her.
As a small boy, he used to _______ alone in the house for an hour or two.
Anna thinks she ought to go to the university, _______ she wants to get qualifications for her dream job.
The archaeological excavation _____ to the discovery of the ancient city lasted several years.