Activity : What do they mean?

Don’t use mobile here.
You shouldn’t use mobile here.
Don’t play football here.
You shouldn’t play football here.
Throw rubbish in the dustbin.
You should throw rubbish in the dustbin.
Keep off the grass.
You shouldn’t walk on the grass.
ACTIVITY Listen and complete
1) forests
2. animals
3. plants
4. water
5. trash
a) Why are wild animals and plants in danger?
Because we/people are destroying the forests.
b) What is polluting the air?
Gases are polluting the air/People are polluting the air: they are burning too much coal, oil and gas.
c) Where does the pollution come from?
The pollution comes from gases and trash.
d) What is polluting the land, the rivers and the oceans?
Trash is polluting the land, rivers and oceans.
ACTIVITY What we do & what we don’t
Don’t cut down the trees
Don’t pick flowers
Save water
Keep off the grass
Don’t throw trash in the country.
Collect bottles and cans
Don’t throw trash on the street.
Collect paper.
When you don’t need a light, ___________.
When you see a dripping faucet, ________.
Don’t damage trees! _________________.
Don’t pick wild flowers! ______________.
Don’t leave your trash! _______________.
Paper, cans and bottles, ______________.
switch it off
turn it off
plant them
leave them
pick it up
collect them
ACTIVITY Listen and complete
Lan: We shouldn’t leave our (1) __________.
Ba: What are we going to do?
Nga: (2) __________ it in a trash can.
Nam: There aren’t any trash can.
Lan: Then we should put it in a bag and (3) _____________.
trash
Put
take it home
ACTIVITY 12 Write the rules.
We shouldn’t leave trash.
We shouldn’t cut down/damage the trees.
We shouldn’t pick flowers.
We shouldn’t throw bottles away.
We should collect bottles.
We should save water.
We should keep off grass.
ACTIVITY 13 Listen and complete
In Vietnam, we recycle (1) _________ things. We collect waste food and feed it to pigs. We (2) _________ empty bottles and cans and recycle them. We collect waste (3) _________, scrap metal and old plastic and recycle them. Factories in Vietnam (4) _________ all these things.
many
collect
paper
use
Suggested Answers
a) In Vietnam, what do we collect and recycle?
In Vietnam, we collect and recycle many things.
b) What do we do with waste food?
We collect waste food and feed it to pigs.
c) What do factories do with waste and scrap?
Factories collect waste and scrap and recycle them.
1. You ________ drive carefully on a busy road.
2. Jack ___________smoke heavily.
3. Children _____________ eat a lot of sugar.
4. You ____________ clean your teeth at least twice a day.
5. We __________ go to the dentist’s regularly.
should
shouldn’t
shouldn’t
should
should