44. When driving in a long tunnel, drivers:
(A) may change lanes at their discretion
(B) may not change lanes at their discretion
(C) may change to the lane with fewer vehicles if there is traffic congestion.
答案:登入後查看
統計: A(0), B(5), C(0), D(0), E(0) #2214505
統計: A(0), B(5), C(0), D(0), E(0) #2214505