169.For a professional driver's license held by a professional driver under the age of 60, starting from the dateof issuance, how often must it be reviewed?
(A) Once every 1 year.
(B) Once every 2 years.
(C) Onceevery 3 years.
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料