根据句意及所给的首字母,写出所缺单词的适当形式
1.Don't I______at aperson who is in troubie.
2.If you make a los of noise ,you may d ______others.
3.Before you c______the road,you must look left and right.
4.There are a lot of p______in the doctor's waiting room.
5.The park is quite far away.You 'd better t______a bus.