题目内容
12.If _____ to look after luggage for someone else,inform the police at once.( )A. | asked | B. | to ask | C. | asking | D. | having asked |
分析 如果有人要你帮忙照看一下行李,立即告知警察.
解答 答案A
由结构分析可知,前面部分是分词作状语,ask和句子主语之间是被动关系,所以用过去分词.此处也可看作是状语从句If you are asked to look after luggage的省略.句意:如果友人要求你照看一下行李,就立即告知警察.故选A.
点评 此题考查过去分词作状语以及状语从句的省略,学生应熟练掌握非谓语动词及省略句.
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