题目内容
________ twice a year, whether it is a car or bus or a truck, is the rule that every driver must obey in this city.
[ ]
A.Examining
B.Examined
C.Being examined
D.Having been examined
答案:C
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题目内容
________ twice a year, whether it is a car or bus or a truck, is the rule that every driver must obey in this city.
A.Examining
B.Examined
C.Being examined
D.Having been examined