The word “it” refers to _________.
Đáp án C
Từ “it” dùng để chỉ_____.
A. chỉ nha khoa
B. vi khuẩn
C. loại bỏ mảng bám
D. mảng bám
Dẫn chứng: It also makes the surfaces of the teeth more accessible, enabling saliva to neutralize acid and remineralize lesions.
The only time I’ve ever eaten sushi was when I was on a trip to Japan.
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Surely John won't forget his wedding anniversary again.
James may get into hot water when driving at full speed after drinking.
Population explosion seems to surpass the ability of the earth to __________ the demand for food.
Mr Lam is a cycle driver in Ho Chi Minh City, who usually has a ______ working day.
I was left out in the __________ in the annual promotions in the company.
The boy swum the narrow canal in ten minutes to find himself in the base, out of danger.
Despite the initial __________ result, they decided to go on with the proposed scheme.
The company hopes that their new product launch _______ by many potential customers.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The website __________ by the web developer is user-friendly and easy to navigate.
The manager is directly responsible ___________ the efficient running of the office