28/50.
4.
You are stopped at a railroad crossing where a train has just passed. You should:
Look and listen for another approaching train, then cross the tracks if they are clear.
Assume no other trains are approaching.
Quickly start to cross the tracks.
Wait 20 seconds before crossing the tracks.
34 2464 27 A [] 0

Answer correctly : 0   |   Wrong : 0

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