【題組】40.(A) unless(B) whether(C) however(D) therefore

問題詳情

【題組】40.
(A) unless
(B) whether
(C) however
(D) therefore

參考答案

答案：B[無官方正解]
難度：非常困難0
統計：A(1),B(5),C(2),D(1),E(0)

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