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I believe the world is ______ you think it is. So smile at the world and it will smile back.

A. what B. how C. that D. which

A

【解析】

试题分析:考查表语从句的连接词。表语从句中it is之后缺少的是表语,故选择A。句意为:你认为这个世界是什么样,就是什么样。

考点:考查表语从句

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