1. Young children are expected to show _____________ to their parents. (obey)

=> obedience  

2. When cycling on the roads, remember: _____________ first. (safe)

=> safety

3. Children should avoid _____________ foods such as hamburger and chips. (health)

=> unhealthy

 4. Most road accidents happen because the motorists drive _____________. (care)

=> Carelessly

5. It is unsafe and _____________ to pass another vehicle on the left. (legal)

=> illegal

6. My _____________ was delayed for over two hours due to bad weather. (fly)

=> Flight

7. Everyone should _____________ obey traffic rules for their own safety. (strict)

=> strictly

8. The policeman _____________ the car to stop with a flashlight. (sign)

=> signify

9. Signs with red circles are mostly ______ that means you can’t do something. (prohibit)

=> Prohibiting 

10. This _____________ sign indicates that traffic lights are ahead. (warn)

=> Warning