問題詳情
【題組】15. We ____ the peak of the mountain, ____ worked as a team—teamwork matters.
(A) could have reached/had we not
(B) could reach/if we had not
(C) couldn’t have reached/had we not
(D) may have reached/if we had not
參考答案
答案：B[無官方正解]
難度：適中0.5
統計：A(0),B(2),C(1),D(1),E(0)