What should you do to ensure the safety of bicyclists on the road?

• Slow down when approaching or passing a bicyclist
• Avoid turning sharply in front of a bicyclist and do not force a bicyclist off the road
• Be particularly careful around bicyclists when the roadway is wet or covered with sand or gravel.
• All of the above
  Explanation:

  "To ensure the safety of bicyclists, you should: 1) Slow down when approaching or passing a bicyclist. 2) Avoid turning sharply in front of a bicyclist and do not force a bicyclist off the road. 3) Be particularly careful around bicyclists when the roadway is wet or covered with sand or gravel. These conditions affect bicycles much more than motor vehicles."