問題詳情

32. It is impossible for you to finish a half marathon on your own _______ you follow the schedule of training andworkout regularly.
(A) because
(B) supposing
(C) unless
(D) whenever

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)