Give the correct from of the word given to complete the setences

Ex2.Give the correct from of the word given to comlete the setences
1.young children are exected to show...to their parents (obey)
2.when cycling on the road ,remember...fist(safe)
3.children should avoid...foods such as hamburger and chi(health)
4.mos road acidents hapen because the motorists drive....(care)
5.It is unsafe and....to pass another vehicle on the left (legal)
6.my ....was delayed for over two hours due to bad weather(fly)