问题
选择题
— 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
答案：D
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。