1)Arrest him!
2)Wear your seatbelt!
3)Don't cross at red light!
4)Don't drive with alchol!
5)Don't drive fast!
6)Don't be late!
7)Be quiet!
8)Don't come to class late!
9)Make up your room!
10)Help me!
11)Obey the rules!
12)Don't fight!
13)Don't kick at the door!
14)Study and do your homeworks!
15)Come here!
16)Be careful!
17)Leave me alone!
18)Don't speak too fast!
19)Hurry up!
20)Look at there!
