The professor has finished ______ the students’ papers.

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问题 The professor has finished ______ the students’ papers.

选项 A、to correct
B、in correcting
C、correcting
D、being corrected

答案C

解析 finish doing sth. 意思是:完成作某事。没有finish to do sth.。D项是被动语态,意思不对。
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