問題詳情

17. Regular exercise and proper diet will be _____ to your health. You will not get sick so often.
(A) barren
(B) auxiliary
(C) artificial
(D) beneficial

參考答案

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