Trắc nghiệm tổng hợp Tiếng anh có đáp án 2023 ( Phần 66)

Sweets are harmful because they may make our teeth ______. A. crack B. decay C. painful D. black

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Sweets are harmful because they may make our teeth ______.

crack

decay

painful

black

Giải thích

4. Dẫn chứng “Chocolate, sweets, biscuits and cakes are bad, especially when we eat them between meals. They are harmful because they stick to our teeth and cause decay.”

Chọn B