Youwerelateforclass,butyou_______

发布时间：2020-07-26 02:43:00

You were late for class, but you ________ on time．A.might beB.should beC.ought to have beenD.must have been

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C解析ought to have done sth．表示过去应该做而未做某事，相当于should have done sth．;must have done 表示过去肯定做过某事，故选C项。
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