题目内容
13.____ we all know is ____ the old lady,though she is very rich,still works every day.( )A. | As; that | B. | What; that | C. | It; what | D. | That; why |
分析 我们都知道的是这位老太太尽管很富有,但她还是每天都工作.
解答 答案:B 题干中we all know是作is的主语,是一个主语从句;从句中know缺少宾语,要用连接代词;the old lady still works every day是作is的表语,是一个表语从句,表达一个事实,要用that来引导.故选B.
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宾语.
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