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Beingexaminedtwiceayear,whetheritisacarorabusoratruck,itistherulethateverydriverobeyinthiscity.A.shallB.canC.hastoD.need

题目详情
Being examined twice a year, whether it is a car or a bus or a truck, it is the rule that every driver____ obey in this city.
A.shall B.can C.has to D.need
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答案和解析
A