.If a computer crashes, you will lose the file you _________unless you save it regularly.A.are worki

题目简介

.If a computer crashes, you will lose the file you _________unless you save it regularly.A.are worki

题目详情

.
If a computer crashes, you will lose the file you _________unless you save it regularly.
A.are workingB.workC.will workD.worked
题型:单选题难度:偏易来源:不详

答案

A

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