-Did the train arrive on time-No,it should____(arrive) two hours _英语解答

-Did the train arrive on time
-No,it should____(arrive) two hours ago 是填arrived么

人气：459 ℃　时间：2019-08-26 07:11:37

解答

不是,应该填have arrived,因为此处表达的是本应该怎么样,should用于这种情况时是用should have down结构.