12．[2010·全国大联考]- 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 C．must be scolded D．must have been scolded 12D考查情态动词的用法.“must + have + 过去分词 .表示对过去某事或某种情况的肯定的猜测.只能用于肯定的陈述句. 【
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