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Within the last year.astronomers have come closer than ever .A.to deciding which of the questions is

编辑:chaxungu时间:2026-04-24 13:01:27分类:高中英语题库

Within the last year,astronomers have come closer than ever ________.
A.to deciding which of the questions is rightB.to decide which of the questions is rightC.deciding whether the question is right or notD.and decided which of the questions is right在线课程A