His writing is so confusing that it's difficult to make out it is he is trying to express.(2011·安徽)A．that B．how C．who D．what 题目和参考答案——青夏教育精英家教网—

题目内容

His writing is so confusing that it's difficult to make out ________ it is he is trying to express.(2011·安徽)

A．that B．how C．who D．what

【解析】句意：他的书写如此令人困惑，以至于难以辨认他在试图表达什么。分析句子结构可知，定语从句he is trying to express后缺少宾语，因此用what。

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