Bộ 5 đề thi giữa kì 2 Tiếng Anh 9 i-Learn Smart World có đáp án - Đề 5

However, it's important to understand that all foods contain chemicals, (39) ______.

39/40

However, it's important to understand that all foods contain chemicals, (39) ______.

0/3000 ký tự
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Chọn D.