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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

C

【解析】

试题分析:考查情态动词辨析。句意:我们本可以一起面对困难的,但是你没有告诉我。根据句意说明是对过去事实相反的虚拟语气,故使用“情态动词+have done”;could have done本可以做某事,实际上却未做;must have done一定做了某事;故C正确。

考点:考查情态动词用法

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