They are known that colds can be avoided by eating the right kind of food

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.

A. They are known

B. be avoided by

C. right

D. regularly

* Đáp án

A

* Hướng dẫn giải

Đáp án A

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