题目

— What’s the matter with Peter? — He was seen crying when he was coming out of the office. He ________ by the manager. A. may be scolded                  B. should have been scolded http:/ C. must be scolded                   D. must have been scolded 答案：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。

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