問題詳情
15. The real challenge is how to balance complex variables like safety and convenience, all while _____ politicians thatthey should invest in infrastructure.
(A) convince
(B) convinced
(C) convincing
(D) to convince
參考答案
答案：C
難度：適中0.516129
統計：A(1),B(8),C(16),D(4),E(0) #
個人：尚未作答 書單：沒有書單，新增