問題詳情

11. The mountain climbers got lost in the mountains. What’s worse, there wasn’t enough food to _______theirlives.
(A)refrain
(B)remain
(C)sustain
(D) obtain

參考答案

答案：C[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)