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onceeverytwoyears,whetheritisacar,abusoralorry,istherulethatalldriversmustobeyinourcountry.A.HavingbeenexaminedB.ExaminedC.ExaminingD.Beingexamined

题目详情
______ once every two years, whether it is a car, a bus or a lorry, is the rule that all drivers must obey in our country.
A.Having been examined B.Examined
C.Examining D.Being examined
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答案和解析
D