Question

【题目】 His writing is so confusing that it’s hard to make out _______ it is that he’s trying to express.

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

Answer 1

【答案】D

【解析】

试题分析: 句意:他的书写如此混乱，难以分辨他到底在表达什么。make out 后的宾语从句中缺少express的宾语，所以用what。故选D项。