() 1. It rained yesterday.
() 2. There were many children at the square.
() 3. The square was clean all the time.
() 4. Helen threw the banana skin on the ground.
() 5. Tim slipped on the banana skin and fell.

1.F 2.T 3.F 4.F 5.T

Su Hai and her classmates want to the Earth. They make a to tell other people. They draw green, blue and on the Earth. They also write, “The Earth is our home. We should save water, and trees. We shouldn't water. We shouldn't cut down too many trees. We shouldn't use too much .”

protect  poster  brown  energy  waste  plastic

A：Hello,boys and girls. is the World Environment Day? Who knows?
B：I know. It's on 5th .
A：What should we do to live a green life?
C：We shouldn't too much because cars waste a lot of . We can go to school on or bus.
D：There isn't water in many places. So we should and save it.
E：Trees are too. We can't too many trees.
A：That's right. Please don't forget to use a basket or bags when you buy things in the supermarket.

When; June; drive; energy; foot; by; much; reuse; useful; cut; down; paper

In most parts of the world,many students help keep their clean. They join the environment clubs. In the clubs,students work together to make their schools clean.
Here are some things the students often do.
No­rubbish lunch. The environment clubs ask students to their lunch in bags because the bags can be d again. Every week,they praise(表扬) the best class.
day. On a no­car day,the students and teachers can't to school in a car. Cars cause to the air. Use your legs! It's a lot of fun.
Turn off the . The environment clubs tell students how to save . After washing clothes,they can reuse the water to clean the floor or water the flowers. Turn off the tap quickly after washing hands.
We love our environment. Let's work together to protect it.

(1) schools
(2) reuse
(3) Bring
(4) No-car
(5) Pollution
(6) dirty
(7) Come
(8) foot
(9) water
(10) tap