______ 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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______ 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 |