You must come to a full stop about ________________ metres away from the school bus.

• 10 metres (about a car length)
• 15 car (about three to four car lengths)
• 20 metres (about four to five car lengths)
  Explanation:

  "You must come to a full stop about 20 meters (about four to five car lengths) away from the school bus."
• 25 metres (about five to six car lengths)