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=. 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. Sydney is the cleanest city in the world.
2.My future house will be on the ocean.
3. If we recycle bottles and cans, we will help the environment.
4.I will have a hi-tech fridge that can cook meals.
5. We visited our grandparents in the countyside last week
6.Robots will help me do the housework.
7.I will have a super smart TV in my house.
The environment is seriously polluted today. To protect the environment, we should reduce the plastic bags, bottles and cans. We should put the garbage in a certain place or in the forest. That means we can reduce the soil pollution. It would be better if we go to work or school by bike or walk, we can save energy and keep the air cleaner. Or we can reuse and recycle things. And we should not throw trash into the rivers and lakes to keep the water not polluted. Do these things we will protect the enviroment and we will live healthier life.
1. How is the enviroment today ?
The environment is seriously polluted today.
2. Where should we putthe garbage ?
We should put the garbage in a certain place or in the forest.
3. Why must we save and recycle paper ?
We must save and recycle paper so that we can avoid cutting a lot of trees in the forest.
4. Will we live healthier life if we keep the enviroment clean ?
Yes, they will.
XV. Write meaningful sentences based on the given words below.
1. My house / have / big yard / so / friends / I / often / play / football / there.
My house has a big yard so my friends and I often play football there
2. If / not throw / trash / water / there / be / no / water pollution.
If we don't throw trash into water, there will be no water pollution
3. Dave / have / difficult / exam / Maths / next / week / but / he / not / really / ready.
Dave is going to have a difficult exam in Maths next week but he isn't really ready.
4. It / first time / I / ever see / such / intelligent / robot.
It is the first time I have ever seen such an intelligent robot
5. If / finish / homework / soon / we / be able / go to the cinema.
If I finish mu homework soon we will be able to go to the cinema
XVI. Rewrite the sentences based on the given word below.
1. Because they were hungry, thay ate all the food left in the fridge.
=> They were hungry so they ate all the food left in the fridge.
2. It is the most wonderful beach I have ever been to.
=> I have never been to such a wonderful beach
3. Mary has lived in Tokyo for 5 years.
=> Mary started living in Tokyo 5 years ago
4. “I advise you not to come to his birthday party.”
=> “I think you should not come to his birthday party”
5. In spite of being able to walk to his school, he drove his motorbike.
=> Althought he was able to walk to his school, he drove his motorbike
XV. Write meaningful sentences based on the given words below.
1. My house / have / big yard / so / friends / I / often / play / football / there.
My house has a big yard so my friends and I often play football there
2. If / not throw / trash / water / there / be / no / water pollution.
If we don't throw trash into water, there will be no water pollution
3. Dave / have / difficult / exam / Maths / next / week / but / he / not / really / ready.
Dave is going to have a difficult exam in Maths next week but he isn't really ready.
4. It / first time / I / ever see / such / intelligent / robot.
It is the first time I have ever seen such an intelligent robot
5. If / finish / homework / soon / we / be able / go to the cinema.
If I finish mu homework soon we will be able to go to the cinema
XVI. Rewrite the sentences based on the given word below.
1. Because they were hungry, thay ate all the food left in the fridge.
=> They were hungry so they ate all the food left in the fridge.
2. It is the most wonderful beach I have ever been to.
=> I have never been to such a wonderful beach
3. Mary has lived in Tokyo for 5 years.
=> Mary started living in Tokyo 5 years ago
4. “I advise you not to come to his birthday party.”
=> “I think you should not come to his birthday party”
5. In spite of being able to walk to his school, he drove his motorbike.
=> Althought he was able to walk to his school, he drove his motorbike
1, Yes, it is
2, We shouldn't throw trash into the rivers and lake to keep the water unpolluted
END. 
1. Yes, it is.
2. We shouldn't throw trash into the the rivers and the lake to keep the water unnpolluted.
GOOD LUCK !
The environment is senously polluted today. To protect the environment, we should reduce the plastic bags, bottles and cans. We should put the garbage in a certain place or in the recycling bins. Remember save and recycle paper so that we can avoid cutting a lot of trees in the forest. That means we can reduce the soil pollution. It would be better if we go to work or school by bike or walk, we can save energy and keep the air cleaner. Or we can reuse and recycle things. And we should not throw trash into the rivers and lakes to keep the water not polluted. Do these things we will protect the environment and we will live healthier life.
1. How is the environment today? The environment is senously polluted today.
2. Where should we put the garbage? We should put the garbage in a certain place or in the recycling bins.
3. Why must we save and recycle paper? We must save and recycle paper so that we can avoid cutting a lot of trees in the forest.
4. Will we live healthier life if we keep the environment clean? Yes, we will.
Read the passage and answer the questions.
The environment is senously polluted today. To protect the environment, we should reduce the plastic bags, bottles and cans. We should put the garbage in a certain place or in the recycling bins. Remember save and recycle paper so that we can avoid cutting a lot of trees in the forest. That means we can reduce the soil pollution. It would be better if we go to work or school by bike or walk, we can save energy and keep the air cleaner. Or we can reuse and recycle things. And we should not throw trash into the rivers and lakes to keep the water not polluted. Do these things we will protect the environment and we will live healthier life.
1. How is the environment today?
=> The environment is senously polluted today
2. Where should we put the garbage?
=> We should put the garbage in a certain place or in the recycling bins.
3. Why must we save and recycle paper?
=> Remember save and recycle paper so that we can avoid cutting a lot of trees in the forest.
4. Will we live healthier life if we keep the environment clean?
=> Yes , we will
1. If we reduce smokes from cars and motorbikes, the air will be less polluted.
2. If we recycle cans, water bottles there will be less trash
3. Ko rõ
4. I wish that I could build a house in the space
5. Ko rõ
3 câu em làm được thì em đã làm đúng! ⚡ như vậy là rất tốt rồi!
Chúng ta cùng xem 2 câu còn lại nhé:
3. There will be helpful doctor robots in the future to take care of patients.
(Sẽ có những robot bác sĩ hữu ích trong tương lai để chăm sóc bệnh nhân.)
5. Despite not being able to visit big cities, she knows very much about them.
( Mặc dù không thể đến thăm các thành phố lớn, nhưng cô ấy biết rất nhiều về chúng.)