题目内容
19.______ that I was in trouble,Tom came to my aid without delay.( )A. | Learn | B. | Learning | C. | Learned | D. | To learn |
分析 得知我有麻烦,Tom马上来帮我.
解答 答案:B
题干中,句子之间有逗号分隔,要用非谓语动词;learn与Tom之间是主动关系,要用现在分词;不定式表达未发生的事.故选B.
点评 现在分词是非谓语动词的一种,表达主动或进行;过去分词表达被动或完成;动词不定式表达未发生的动作.学习时,要注意区分和掌握.
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