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
(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
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