問題詳情

24. If we _______ now to protect the environment, we'll live to regret it.
(A) hadn't acted
(B) haven't acted
(C) don't act
(D) won't act

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) #
個人：尚未作答書單：Practice