139 On a busy urban road: (A) drivers should give their horn two long taps before passing another vehicle (B) drivers should give their horn two short taps before passing another vehicle (C) drivers may not tap their horn or pass other vehicles.

145 If a railroad crossing gate has not been lowered or the crossing guard is not telling drivers to stop, drivers are required to: (A) watch and listen carefully to make certain there is no train coming from either direction before they cross the tracks (B) speed up and cross the tracks quickly (C) wait for the guard's instructions before crossing the tracks.

139 On a busy urban road: (A) drivers should give their horn two long taps before passing another vehicle (B) drivers should give their horn two short taps before passing another vehicle (C) drivers may not tap their horn or pass other vehicles.

其他試題

139 On a busy urban road:
(A) drivers should give their horn two long taps before passing another vehicle
(B) drivers should give their horn two short taps before passing another vehicle
(C) drivers may not tap their horn or pass other vehicles.