問題詳情

39. _____ you are ready for a marathon, it’s best to pick a race and sign up for it as soon as possible.
(A) How
(B) Ever since
(C) From then on
(D) Once

參考答案

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

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