unfortunately,we missed the train.we() early

问题描述:

unfortunately,we missed the train.we() early

should have been here

考察虚拟语气。这句话中要表示与过去事实相反的情况   从句:主语+had done   主句:主语+should/would/could/might+have done  所以应该填should have been there

should have been there
这句是虚拟语气,表示我们本应该早点到达,而事实上我们去晚了.