题目内容
10.____ is to be done is ______ to carry it out smoothly since the decision has been made.( )A. | What; how | B. | Where; how | C. | When; what | D. | Where; what |
分析 既然已经做的决定,那么现在要做的事情就是如何顺利地去实施它.
解答 答案:A
题干所给的句子中,前面的is to be done 是系表结构;后面接了is 系动词,说明前面的部分是充当了is的主语,是一个主语从句;主语从句中is缺少主语,要用连接代词;how 如何,怎样,表示方法.故选A.
点评 在句子中起名词作用的各种从句统称为名词性从句.根据它们在句中的语法作用,这类从句又可分为主语从句、同位语从句、表语从句和宾语从句. 本题中what在主语从句中起连接作用,同时又充当了从句的主语.
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