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.
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Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Despite the initial __________ result, they decided to go on with the proposed scheme.
I only realized what I had missed when they told me about it later.
Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
Mr Lam is a cycle driver in Ho Chi Minh City, who usually has a ______ working day.
James may get into hot water when driving at full speed after drinking.
The boy swum the narrow canal in ten minutes to find himself in the base, out of danger.
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 word that differs from the other three in the position of primary stress in each of the following questions.
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
She doesn’t have a car. She can’t drive to work.