問題詳情
50.
(A) gates
(B) events
(C) directions
(D) whistles
(A) gates
(B) events
(C) directions
(D) whistles
參考答案
答案：A[無官方正解]
難度：適中0.416667
統計：A(5),B(2),C(5),D(0),E(0)
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