— What’s the matter with Peter?— He was seen crying when he was ing out of the office. He ________ by the manager.A.may be scoldedB.should have been scolded http:/C.must be scoldedD.must have been scolded
网友回答
D解析must+have+过去分词，表示对过去某事或某中情况的肯定的猜测，只能用于肯定的陈述句。如果对过去否定的猜测，必须用can’t have+过去分词。