题目内容
18.As it is so vital a decision,I have many facts to chew upon I make up my mind.( )A. | when | B. | while | C. | before | D. | until |
分析 因为这是一个至关重要的决定,所以在做决定前我要好好考虑诸多实际情况.
解答 答案:C
句意表达的是时间状语从句;when当…时候,while在…期间,before之前,until直到;句意表达的考虑实际情况是发生在做决定之前,故选C.
点评 从属连词是连词的一种,用来引导名词性从句和状语从句.大致可分为三大类:that (无词义,不做成分)if,whether (表达是否的意义,但不做句子成分); 连接代词:who,whom,whose,what,which,whatever,whoever,whichever(有词义,在句子中可作主语、表语、宾语);连接副词:when,where,why,how,how many,how long,how far,however,whenever,wherever (有词义,作从句的状语).
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