It is difficult a best friend．( )A．to findB．findingC．findD．to be found 题目和参考答案——青夏教育精英家教网—

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17．It is difficult a best friend．（　　）

A．

to find

B．

finding

C．

find

D．

to be found

分析找最好的朋友很难．

解答答案是A．本题考查动词不定式做状语．英语中做表语和补语的形容词后往往接动词不定式做状语，并且用主动形式表示被动的含义；故本句中做表语的形容词difficult后面需要的是动词不定式to find，答案是 A．

点评先判断选项中的动词在句中是以谓语还是非谓语形式出现，然后根据选项在句中的功能结合非谓语的基本用法做出合理的判断．要关注常见非谓语动词的搭配．

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