Explanation:
The number of deaths is increasing due to the motor vehicle collisions by the people ignoring road safety rules. Under these conditions it is very important for everyone to be safe on roads and to follow all the traffic rules and regulations.
Answer:
a gun
1. may
2. should
3. must
4. could, can
5. should
6. can, cannot
7. must
8. may
9. should
10. must
11. must
12. may
13. may
14. could
15. can
16. may
17. ought
18. should
19. can
20. could
