問題詳情

21.Ben knows he must have a balanced ____ to stay healthy. He should eat both meat and vegetables.
(A)value
(B)secret
(C)model
(D)diet

參考答案

答案:D[無官方正解]
難度:適中0.5
統計:A(0),B(1),C(0),D(5),E(0)

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