In human beings, as in other mammal, hair around the eyes and ears and

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Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions

In human beings, as in other mammal, hair around the eyes and ears and in the nose prevents dust, insects, and other matter from entering these organs

mammal

around

prevents

entering

Giải thích

Đáp án : A

Không có mạo từ a/an và là danh từ đếm được, thì danh từ mammal phải ở dạng số nhiều -> mammals