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Hesteppedintotheofficedownandbegantofillintheforms.[]A.sittingB.tositC.satD.havingit

题目详情

He stepped into the office ________ down and began to fill in the forms.

[    ]

A sitting

B to sit

C sat

D having it

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答案和解析
答案:C
作业帮用户 2017-02-12