题目

―Kate doesn’t look very well. What’s wrong with her?    ―She has a headache because she ________ too long; She ought to stop work.        A. has been reading                           B. had read C. is reading                                D. was reading 答案：A 解析: has been reading为现在完成进行时，表示一个动作从过去开始一直进行到现在。

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