Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks.
Why is it that many teenagers have the energy to play computer games until late at night but can't find the energy to get out of bed (42) ______ for school? According to a new report, today's generation of children are in danger of getting so (43) ______ sleep that they are putting their mental and physical health at (44) ______. Adults can easily survive on seven to eight hours' sleep a night, (45) ______ teenagers require nine or ten hours. According to medical experts, one in five youngsters (46) _______ anything between two and five hours' sleep a night less than their parents did at their age.
Điền vào số (43)
A. few
B. much
C. little
D. less
Đáp án C
Ý của câu là trẻ vị thành niên ngủ ít, trước tiên loại B.
Do sleep là danh từ không đếm được nên không dùng few, đây không phải câu so sánh do đó less cũng không phù hợp. Chỉ còn lại little.