问题补充:
We the difficulty together, but why didn’t you tell me?
A. should face
B. might face
C. must have faced
D. could have faced
答案:
A. should face
B. might face
C. must have faced
(答案→)D. could have faced
解析:考察情态动词用法。根据why didn’t you tell me?中的过去时可知本书是对过去情况进行虚拟,故D正确。Must have done一定做了某事;could have done本可以做,实际上却未做;结合句意可知D正确。我们本可以一起面对困难,但是为什么你不告诉我?