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About 80 percent of our work recently. A.is finishedB.are finishedC.has been finishedD.have been fin

编辑:chaxungu时间:2026-04-24 12:58:34分类:高中英语题库

About 80 percent of our work __________ recently.
A.is finishedB.are finishedC.has been finishedD.have been finished在线课程C