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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................................................................................................
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
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.
Ex1. Fill prepositions into blanks
1. He will have a meeting..........AT.......... 8 o'clock tomorrow
2. We always go to school..................IN............. the morning
3. Her birthday is....................ON.............. May 25th
4. There were a football match on TV...........FROM................... 9pm to 10:45pm last night
5. Last month, I visited my uncle and I was staying....................ON.................the farm for a month
6. We always go to class...........ON................................... time
7. Children often receive lucky money from their parents and relative..................ON.............. Tet holidays
8. Mr. Baker often watches TV ...............IN........................... the evenings
9. He wishes he will become a doctor..................IN................... the future
10. ............AT......................Chirstmas, good childre often receive presents from the Sana Claus
11. I am afraid to go out alone......................AT................... night
12. He was born..............IN............... 1994
13. I will go to the market....................NOW............................., I will buy you some candies
14. We heard that news.................on............... TV last nght
15. There was a trading meeting....................BETWEEN........................ 7am and 11am last Friday
16. I aways fimish the tests...............IN............................. time
17. We brought along a raincoat just...................IN........................ case it rained
18. He is......................OUT...................... of work now and he is looking for another job
19. This shirt is........................OUT....................... of date. I have to buy another
20. The paople shouted"rubber! rubber!" and the police came.............AT..................... once
21. ...............AT......................... first we didn;t know who he was but after that we knew he was a famous singer
22. I saw him................ON...................... the way to the movies
23. I am going to the market...................ON........................... the way, I will buy you some candies
24. They heard that news...............ON............... the radio last night
Ex2. Fill preposotions
1. Don't worry so much, my friens! You should care..........OF............. your health
2. He never stops complaining to his boss...................ABOUT................. the working conditions at the factory
3. If you want to pass the examination successfully, you should concentrate more......ON.............. these grammar lesseons
4. Do you think that our plan will depend much........ON............... the weather
5. I have just seen a terrible accident. A car crashed...............TO................. motorbike right at the concert of the street
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 !
1. The baby laughed ............. as she played with her toys. (happy/ happily/ unhappy/ unhappily)
2. I broke the cup ...... I was careless. (but/ therefore/ so/ because)
3. If we pollute the water, we ......... no fresh water to use. (will have/ is having/ have/ had)
4. If we ..... less paper, we ...... trees in the forest. (used-will save/ will use-can save/ can use-save/ use-can
save)
5. People nowadays are interested ........ saving money and natural resources. (to/ with/ in/ on)
6. The air in the city ........ with traffic fumes. (is heavy polluted / is heavily polluted/ heavily is polluted/
polluted heavily)
7. ........ air is one of the many problems we have to solve. (Pure/ Polluted/ Dust/ Pleasant)
8. They are trying to save the animals ......... extinction. (on / at/ from / to)
9. If we ............ much pesticides on vegetables, the vegetables will become poisonous and inedible. (to use/
use/ using / used)
10. I'll give you a lift to the station if ........ in a hurry. (you are/ you were / you will be/ you'd be)
11. If we go on ......... , the environment will become seriously polluted. (litter/ to litter/ littering/ littered)
12. All the different plants and animals in a natural community are dependent upon each other for ...... .
(wildlife/ survival/ livings/ life)
13. Oxfam tries to send food to countries where people are suffering ............... malnutrition. (for / by / from/
of)
14. If you see Tom, ........... you mind ............ him to get in touch with me? (will - reminding/ will - to
remind/ would - reminding / would - to remind)
15. My teacher is very pleased ........... all of her students got good marks in the exams. (that/ so/ which/ so
that)
16. He looked me ______ when I interrupted him. (angry / angrily / hungry / thirsty)
17. Bill puts money in the bank, ______? (didn’t he / did he / doesn’t he / does he)
18. I’m leaving next week. And I think I’ll never forget _____with you. (worked / work / to work / working)
19. He ______ to find a job, but he had no luck. (tried hard / hardly tried / tried hardly / try hardly)
20. Would you mind ______ your pet snake somewhere else? (put / putting / to put / puts)
21. ______ the manager is out today, I’ll sign the letter. (Because / If / Because of / But)
22. I’ve given your old jacket away ______ it was too tight for you. (because of / if / because / and)
23. Our holiday was too short. The time ______. (passed quick / quick passed / passed quickly / quickly
passes)
24. I’m absolutely sure I locked the door. I clearly remember ______ it. (to lock / locking / lock / locked)
25. If you press that button, the alarm ______. (will ring / ring / ringing / would ring)
26. When I arrived, he was trying ______ it, but there was something wrong with the engine. (to start /
stated / starting / start)
27. If he likes the house, ______ buy it? (would he / will he / did he / does he)
28. If he ______ all that, he will be ill. (ate / will eat / has eaten / eats)
(bài dùng "so that" và "in order to" chứ không phải "in order that" đúng không bạn? Theo mình đc học là không có "in order that")
1. We hurried to school so as not to be late.
-> We hurried to school so that we couldn't be late.
2. He climbed up the tree in order to get better view
-> He climbed up the tree so that he could get better view.
3. You should get up early so that you will have time to review your lesson.
-> You should get up early in order to have time to review your lesson.
4. Some young people like to earn their own living in order to be independent of their parents.
-> Some young people like to earn their own living so that they can be independent of their parents.
5. We should do morning exercise so as to improve our health
-> We should do morning exercise so that we can improve our health.
6. Everybody in the world must unite their efforts to maintain and protect peace.
-> Everybody in the world must unite their efforts so that they can maintain and protect peace.
7. She put on warm clothes so as not to catch cold.
-> She put on warm clothes so that she can't catch cold.
8. She locked the door so as not to be disturbed.
-> She locked the door so that she can't be disturbed.
9. He cut the hair so as to avoid being arrested by the police.
-> He cut the hair so that he can't be arrested by the police.
10. We should take advantage of the scientific achievements of the world so that we can develop our national money.
-> We should take advantage of the scientific achievements of the world in order to develop our national money.
Học tốt nha bạn
1.we should try to save money, or we will be.....in debt....... some day (debt)
2.He.....threatened.......to kill the boy if the police were informed of the kidnapping. (threat)
3. My....personal... opinion is that students should do more work outside the classroom.( person)
4.One of the.....strength......of English is that is becoming simpler and simpler.(strong)
5. Such a war would be......disaster.......for the country. (disaster)