on a chair, he read an interesting storybook.A. SittingB. To sitC. SatD. Having sat

发布时间：2020-08-16 16:20:43

        on a chair, he read an interesting storybook.
A. Sitting
B. To sit
C. Sat
D. Having sat

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(答案→)A. Sitting
B. To sit
C. Sat
D. Having sat
解析：考查非谓语动词。句中逻辑主语he，与sit之间的关系为主动关系，故用现在分词，选A。
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