说明
not only 与部分倒装
核心问题
____ does he write well, ____ he (also) speaks well. A. Not only; but B. not only; but C. Either; or D. Both; and 答案为 A。但是，我不明白这里为什么要用 does he write，而不用 he writes。
词典解答
not only 位于句首时, 主谓语要进行部分倒装(参见 not only does he, inversion )。例如:
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Not only do disabled people read, write, draw pictures, paint and cook, but they also study, go to university, take exams and have jobs. 残疾人不仅能阅读、写作、绘画、油漆和烹调，而且还能学习、上大学、参加考试和工作。
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Not only does he have to type out the answer on a computer, but he also gets the computer to translate it into sounds. 他不仅要把答语打在电子计算机上，而且还要让计算机把答语转变成声音。
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Not only will help be given to people to find jobs, but also medical treatment will be provided for people who need it. 不仅要帮助残疾人求职，而且要对那些需要治疗的人给予治疗。