It' s break (休息) time between classes. Tom and his classmates are running after each other happily in the hallways.

Amy goes hiking with her friends and now she is hungry. She wants to make afire(生火)to cook some food in the forest.

Bob is in the library. He gets angry with a girl because she talks loudly on her phone.

Kate is 10 years old. Because of the hot weather, she wants to go to swim in the river. She would like to go by herself.

Ben's school is over, He is riding a bike fast in the school.

A. Some students die (死亡) in this way. Without their teachers or parents nearby, they may not know what to do if are in danger (危险) when they are swimming in the river.

B. Students must wait in line when they are waiting to get their meals in the dining hall.

C. when class is over, you 'should have a short rest either inside or outside your classroom. But don't run here and there.

D. When it's time for you to go to bed, you should turn off the lights and be on your bed to sleep.

E. You can't do it because you may burn (烧）the things and even die in the fire.

F. If you go home by bike, please don't ride your bike when you are in the school. Ride it when you are on the street outside your school.

G. Your classmates are your friends, When you get angry with anything, you don't need to fight. You can have a talk with others and tell him or her why he or she is wrong.