题目内容
【题目】It was only after he had read the papers ________ Mr. Gross realized the task was extremely difficult to complete.
A. thatB. whenC. whichD. what
【答案】A
【解析】
考查强调句。句意:直到他看完这些文件,格罗斯先生才意识到完成这项任务极其艰巨。强调句结构为Itis/was+被强调部分+that/who+句子其他部分。本题强调状语only after he had read the papers。故选A。
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