题目内容
14.The old lady didn't know _____________when the house caught fire.( )| A. | how to do | B. | how to do it | C. | what to do |
分析 房子着火的时候老人不知道做什么.
解答 答案:C.结合句意这里用疑问词+to do sth作为know的宾语,表示不知道做什么用what什么,故答案是C.
点评 常和"疑问词+动词不定式"结构连用的动词及短语有:know、learn、see、hear、ask、tell、advise、decide、explain、find out.
另外,"疑问词+动词不定式"结构前,有时也可以是 sure、clear 等的形容词 翻译:(1)我不知道该做什么. I don't know what to do.
(2)你怎么知道在那里可以找到我?How did you know where to find me?(3)我不确定下面该做什么.I am not sure what to do next.
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