It isn"t decided yet _______ we will attend the meeting.A.ifB.whyC.thatD.whether
题型:不详难度:来源:
It isn"t decided yet _______ we will attend the meeting. |
答案
D |
解析
试题分析:考察主语从句。本句的it是形式主语,真正的主语是后面的主语从句whether we will attend the meeting。If不能引导主语从句,that引导主语从句在句中不充当任何成分,why与句意不相符。句意:我们是否要参加会议还没有被决定。故D正确。 点评:主语从句是在复合句中充当主语的从句,通常放在主句谓语动词之前或由形式主语it代替,而本身放在句子末尾。解答这类题目,关键在于分析清楚句子结构。通过判断引导词在从句中所作的成分及意义,来选择正确的引导词。连接主语从句的从属连词主要有that, if, whether,和疑问词(what how where when ...)。that引导表示陈述句的主语从句,if和whether,whether...or not引导表示“是否”,引导一般疑问句。连接代词主要有who,whom,whose,what,whoever,whomever,whosever,whatever,whichever等。连接代词一般指疑问,但what, whatever除了指疑问外,也可以指陈述。连接副词主要有when, where, why, how, whenever, wherever, however等. |
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