题目内容

19．There is a saying，"Life is 10% ____ happens to us and 90% ____ we respond to it．"（　　）
A．that； thatB．which； whenC．what； howD．who； why

分析 常言道，生活是由一成的客观现实和九成的主观回应组成的．（类似于三分天注定，七分靠打拼．）

解答 答案：C 题干中happens to us是作系动词的表语，是一个表语从句；从句中happens缺少主语，要用连接代词；后面的同样是表语从句，从句结构完整，要用连接副词．故选C．

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．

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