Unfortunately, not everyone has realized the important part healthy diets in their daily life.( ) A. play B. playing C. to play D. are playing 题目和参考答案——青夏教育精英家教网—

题目内容

Unfortunately, not everyone has realized the important part healthy diets _______ in their daily life.（）

A. play　　　 B. playing　 C. to play　　　 D. are playing

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