31. All books ______ to the library more than three days late will be subject to a fine.A.returnB.re

题目简介

31. All books ______ to the library more than three days late will be subject to a fine.A.returnB.re

题目详情


31. All books ______ to the library more than three days late will be subject to a fine.
A.returnB.returningC.to returnD.Returned
题型:单选题难度:偏易来源:不详

答案

D

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