题目内容
______twice a year, whether it is a car or a truck, is a rule that every driver must obey in this city.
A.Examining B.Examined
C.Having been examined D.Being examined
D
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题目内容
______twice a year, whether it is a car or a truck, is a rule that every driver must obey in this city.
A.Examining B.Examined
C.Having been examined D.Being examined
D