题目内容
1.No matter how bright a talker you are,there are times when it's better ______ silent.( )A. | remain | B. | be remaining | C. | having remained | D. | to remain |
分析 这句话意思是:无论你是多么健谈的人,总有些时候保持沉默更好.
解答 此题是no matter how引导的让步状语从句,而主句中又含有一个when引导的定语从句,从句中it是形式主语,而真正的主语是不定式结构to remain silent.句型结构为:It+be+形容词+(of/for sb.)+动词不定式.答案选D
点评 动词不定式,动名词或主语从句作主语时,通常用it作形式主语,放到句首,将真正的主语放在后面,常见句型有:
1.It+be+形容词+主语从句,如:
It is uncertain whether he can come to Jenny's birthday party or not.
2.It+be+名词词组+主语从句,这类名词有:a fact,a pity,a shame,an honour,a question等,如:
It's a pity that you missed the exciting football match.
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