1 Don't play with the matches.It's_dangerous_____.(danger)
2 There was a fire in Peter's School,but he is __safe___.(safety)
3 It rained ___heavily___ yesterday.(heavy)
4 What're you doing,Mr Li?It's too ___noisy___.I can't go to sleep.(noise)
5 Many ___policemen____ are trying to make our city a better place.(policeman)