1/ Plastic/ bags/ not costly/ produce

-> Plastic bags are not costly to produce.

2/ They/ strong / casy / carry

-> They are strong and easy to carry.

3/ But / they / a major source/ pollution

-> But they are a major source of pollution.

4/ Environmental experts / suggest / people / reuse / recycle plastic bags

-> Environmental experts suggest that people reuse and recycle plastic bags.

1. If we plant more trees, we .....WILL NOT SUFFER....... ( not suffer ) from air pollution.
2. If she .....USES.....(use) a reusable box, she will help the environment.
3. What items.....ARE........(be) the recycled one ?
4. ........DO NOT PUT.......(Not put ) plastic cups in recycling bins.
5. They should ......REDUCE........(reduce ) the smoke by taking a bus

1. Yes , I have . I used for carrying food and some thing else

2. They are belong to things to reduce, reuse or recycle

3. Because it is very bad for our environment

4. We need to stop using it for carry

5. I take part in many activities to protet the environment and raise people awareness about it

1. We try recycle rubbish
2. Don't throw plastic bags because you reuse
3. You use reusable bags when you shopping
4. Of river polluted fish die
5. If people cycle more there less pollution

Ko thêm bớt từ

1. We must try recycle rubbish.
2. Don't throw plastic bags because you can reuse.
3. You can use reusable bags when you shopping.
4. If river polluted makes fish die.
5. If people cycle more there makes less pollution.

Thêm vào nè.

=. I: Put the words or phrases in the right order to make sentences.

1. If/ is polluted/ fish/ the river/ will die.

=> If the river is polluted, the fish will die.

2. We/ recycle/ rubbish/ should/ try to.

=> We should try to recycle rubbish.

3. Don't throw/ plastic bags/ the/ because/ can reuse them/ you.

=> Don't throw the plastic bags because you can reuse them.

4. You/ should/ when/ use reusable bags/ you go shopping

=> You should use reusable bags when you go shopping

5. If/ there/ people recycle more/ pollution/ will be less.

=> If people recycle more there, the pollution will be less.

II. Write conditional sentences from these statements.

1. We will plant more trees. The air will be fresher.

=>If We plant more trees, The air will be fresher.

2. We will use fewer cars. We will reduce pollution.

=>If We use fewer cars, We will reduce pollution.

3. We will cycle to school every day. We will keep fitter.

=> If We cycle to school every day, We will keep fitter.

4. We will use recycled products. We will save money.

=> If We use recycled products, We will save money.

5. The boy eats so many green apples. He will be ill.

=> If The boy eats so many green apples, He will be ill.

6. We will use reusable bags for shopping. We will reduce waste.

=> If We use reusable bags for shopping, We will reduce waste.

7. She doesn't hurry. She is late for school.

=> If She doesn't hurry She will be late for school.

8. You don't water the plants. The die.

=> If You don't water the plants, They will die.

l,1. If the river is polluted, fish will die

2. We should try to recycle rubbish

3. Don't throw the plas bags, because you can reuse them

4. You should use reusable bags when you go shopping

5. If people recycle more, there will be less pollution

II. Write conditional sentences from these statements.

1. We will plant more trees. The air will be fresher.

If......................................We plant more trees, The air will be fresher..............................................................

2. We will use fewer cars. We will reduce pollution.

If.............We use fewer cars,we will reduce pollution.........................................................................................

3. We will cycle to school every day. We will keep fitter.

If.............We will cycle to school every day,we will keep fitter........................................................................

4. We will use recycled products. We will save money.

If.............. We will use recycled products,we will save money.....................................

5. The boy eats so many green apples. He will be ill.

If..................The boy eats so many green apples,he will be ill...........................

6. We will use reusable bags for shopping. We will reduce waste.

If.................We will use reusable bags for shopping,we will reduce waste..............................................

7. She doesn't hurry. She is late for school.

If.............She doesn't hurry,she will be late for school................................................................................................

1. I'm hungry because I __haven't___all day. ( not/ eat )
2. If we don't save wood and paper, we _will destroy___our forests some day ( destroy)
3. We can protect our enviroment by __reducing__pollution ( reduce)
4. Because plastic bags are very hard _to dissolve__, they will cause pollution ( dissolve)

1)If the river is polluted,fish will die

2)We should tryto rycle rubbish try to

3)you don't throw the plas bag because can reuse them

4)you should when use reusable bagsyo go shopping

5)If there people recycle more, pollution will be less

X make sentences using the words and phares given

76. we/try/recycle/rubbish

We try to recycle the rubbish

77. don't/throw/plastic bag/because/you/reuse

Don't throw the plastic bag because you can reuse it

78. you/use/reusable bags/when/you/shopping

you can use reusable bags when you go shopping

79.If/river/polluted/fish/die

if the river is polluted, the fish will die

80.If/people/cycled/more/there/less/pollution

if people cycled more, there will be less pollution

76. We will try recycling the rubbish.

77. Don't throw the plastic bag because you can reuse.

78.You must use reusable bag when you are shopping.

79. If the river polluted, the fish will die.

80. If the people cycled more, there will be less polution