题目内容：

l have they've promoted tom,but he didn't mention_____ when we talked on the phone.A.to pr...
l have they've promoted tom,but he didn't mention_____ when we talked on the phone.A.to promote B.having been promoted C having promoted D.to be promoted 非谓语动词的题目的 教一点技巧类方面的东东

优质解答

l have they've 应该是 I Hear吧
【B】
非谓语动词主要包括不定式、动名词和现在分词.必须从三种非谓语动词在句子中做主语、宾语、宾语补足语、定语、状语、表语以及一些特殊结构句型等角度来区分用法和细微含义