問題詳情

15. Rain or shine, the recycling volunteers sort out garbage. They never expect any ______ for their services.
(A) guide
(B) freedom
(C) disaster
(D) reward

參考答案

答案:D[無官方正解]
難度:簡單0.833333
統計:A(1),B(1),C(2),D(20),E(0)

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