问题补充:
We the difficulty together, but why didn’t you tell me?
A. should face
B. might face
C. could have faced
D. must have faced
答案:
A. should face
B. might face
(答案→)C. could have faced
D. must have faced
解析:考查虚拟语气。根据but后面句子中的didn’t说明本句是对过去的虚拟,故使用:情态动词+have done的形式,排除AB。D项不与虚拟语气连用。Could have done本可以做某事。句意:我们本可以一起面对困难,但是你为什么不告诉我呢?