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3,HowlongdidyouarriveA,beforeB,afterC,agoD,time
题目详情
3,How long ____ did you arrive
A,before B,after C,ago D,time
A,before B,after C,ago D,time
▼优质解答
答案和解析
C ago一般用在过去时间状语里,before一般用于现在完成时态
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