I want some "Youth Volunteer Action" public service advertisements. . . .

Unite and help the Olympics.

Love is priceless, and youth is priceless.

The league emblem witnessed the burning life.

The mountain city is very big, the mountain city is very big.

Four seas brothers, brotherhood is deep.

2. Which occasions are the following public service terms suitable for?

1. Your hands are clean and my face is clean. wall

You should know that every grain of Chinese food is hard. canteen

If we don't cherish water resources, the last drop of water on the earth will be human tears. pool

4. You are gentle and I am green. If you love flowers, they will give you beauty. lawn

12 ... Can you create public service terms?

The world is public, and the public is the world.