题目内容
【题目】His writing is so confusing that it’s difficult to make out _____ he is trying to express.
A. that B. how
C. who D. what
【答案】D
【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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题目内容
【题目】His writing is so confusing that it’s difficult to make out _____ he is trying to express.
A. that B. how
C. who D. what
【答案】D
【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。