問題詳情

【題組】22. At the 2012 Summer Olympics, American swimmer Michael Phelps defeated his _____________ and won four golds and two silver medals.
(A) oppressors
(B) opponents
(C) operas
(D) operations

參考答案

答案：A[無官方正解]
難度：適中0.5
統計：A(2),B(2),C(0),D(1),E(0)