1. The road was slippery, so they couldn't drive fast (because)
->
2. I wrote down his telephone number because I didn't want to forget it (order)
->
3. There wasn't much snow, so we couldn't go skiing (so)
->
4. You know, I felt disappointed, but I didn't give up trying (spite)
->
5. She is very talented but she didn't play the piano professionally (though)
->
6. It was such a good film that I wouldn't mind watching it again (so)
->
7. Despite the technical problem , the train left on time. (although)
->
8. Kate was too tired to do any housework (so......that)
->
9. I took photos of the baby because I wanted to send them to my friends abroad (so)
->

8._______I told the truth, you would not believe me (even if, so that)
9. They have known her_____she was a child (until, since)
10. I must leave now, _____ I have a great deal of work to do (as, than)
11. What shall we do_____it rains ? ( or else, supposing)
12. _______you read this book, you would be sure to enjoy it ( If, until)
13. The door was open, ________we could hear everything (in case, so)
14. I studied more _______he did (than, whereas)
15. We packed a lunch,_____we knew we would soon be hungry (lest, for)
16. I will join you, ________the weather is fine (providing, than)
17. ________he is very busy, he is seldom at home (or else, because)
18. We must hurry, ____________we will be late (so that, or else)

1. We recognized her at once, _______ we had not seen her for years ( although, in case)
2. He kept reading_______he fell asleep (for, until)
3. The moon will rise______the sun sets (as soon as, than)
4. It looks_____the train will be late (while, as though)
5. ________she got her degree, she became a teacher (after, than)
6. We will not go skiing_______the weather is good ( as if, unless)
7.______he left , he made sure he had his keys with him. (before, for)

Cho ( O) và (O') biết bán kính (O) lớn hơn bán kính (O') cắt nhau tại A, B. Vẽ hình bình hành OBO'C . Chứng minh ACOO' là hình thang cân

Cho (O) , (O') có cùng bán kính cắt nhau tại A và B . Góc OAO' = 90 độ . Vẽ cát tuyến chung MAN, M thuộc (O). Tính AM² + AN² theo R

UNIT 8. CELEBRATIONS

I/ STRUCTURE AND VOCABULARY

1.Can you tell me the reason for …………………………….the Mother’s Day?

a.celebrating b.celebration c.celebrate d.celebrated

2.We think that Mother’s Day should be celebrated ……………………….

a.nationhood b.nationwide c.nationality d.nation

3.We are going to ………………..the anniversary of our 50^th wedding

a.to celebrate b.celebrated c.celebration d.celebrate

4.On Easter Day, people crowd the street to watch colorful ………………………..

a.parade b.festival c.party d.celebration

5.Passover is celebrated in Isreal and by all …………………………people.

a.English b.Vietnamese c.Japanese d.Jewish

6.He has now been formally …………………as presidential candidate.

a.pointed b.regarded c.received d.nominated

7.Last night we came to the show late ……………………the traffic was terrible.

a.although b.despite and d.because

8.Tet is a festival ……………………..occurs in the late January or early February.

a.who b.whom c.when d.which

9.The people …………………..live in Grece speak Greek

a.which b.who c.whom d.when

10……………………..he likes chocolate, he tries not to eat it.

a.As b.Although c.Since d.Despite

11.Easter is a joyful festival ………………………….is celebrated in many countries.

a.who b.which c.when d.whose

12.Peter, ………………….can compose many pieces of music, sing very well.

a.which b.whom c.who d.whose

13.We are so proud ……………………..her for telling the truth.

a.in b.with c.of d.at

13.Thu Ha is not satisfied ……………………her preparations for Tet

a.with b.of c.to d.at

14.Let me congratulate you …………………………your nomination.

a.to b.at c.with d.on

15.It is nice ……………….you to say so.

a.in b.on c.of d.at

16.I lived in Da Lat, …………………….is one of the most beautiful cities of Viet Nam

a.who b.which c.whom d.whose

17.What …………………you go if you have a car?

a.would b.heve c.will d.did

18.He is the most ………………………acvitist in the town

a.effect b.effective c.effectiviely d.effectiveness

19.Auld lLang Syne is a song ………………….is sung on New Year’s Day.

a.which b.who c.whom d.whose

20.I am the boy …………….is wearing a white T-shirt.

a.which b.who c.whom d.whose

UNIT 7. SAVING ENERGY

I/ STRUCTURE AND VOCABULARY

1.Can you turn ……………………..the light? It’s too dark.

a.on b.off c.in d.for

2.I suggest ……………………..showers.

a.take b.taking c.to take d.to taking

3.What are you looking ………………………..? My picture book. I’ve lost it.

a.on b.off c.in d.for

4.A new air-conditioner will be …………………….this morning.

a.to intall b.installed c.installing d.install

5.Scientists are looking for an …………………..way to reduce enegy consumption.

a.effect b.effection c.effective d.effectively

6.They are completely short of water now.A number of people have died because of this ………

a.shortage b.short c.shorten d.shortly

7.If you want to save money, you should ………………the amount of water your family uses.

a.increase b.reduce c.adapt d.repair

8.In order to save electricity, an ordinary 100-watt light bulb can be replaced by ……………..

a.an energy-saving bulb b.an energy-save bulb c.a saving energy bulb d.a save-energy bulb

9.You should get a (n)……………….to make sure there are no cracks in the pipes.

a.plumber b.mechanic c.electrician d.consumer

10……………….take the train instead of the bus? It’s faster.

a.Why not b.Why don’t c.How about d.Let’s

11.If we ………………..less paper, we ……………..in the forests.

a.used/ will save b.will use/ can save c.can use/ save d.use/ can

12.She won’t take all the suitcases ……………………..she likes to traval light.

a.so b.but c.because d.therefore

13.She is very tired; ……………………….., she has to finish her homework.

a.moreover b.so c.and d.however

14.Is he an actor ………………………..a singer? An actor

a.and b.or c.with d.so

15.He was tired, …………………he took a rest before continuing the work.

a.so b.and c.but d.if

16.Who looks ………………………your children when you are away from home?

a.for b.at c.after d.to

17.Why doesn’t she go ………………………with her university study?

a.in b.at c.to d.on

18.After coming home, she cleaned the floor …………………….cooked dinner.

a.but b.however c.moreober d.and

19.They didn’t understand the matter …………………….she didn’t ask for help.

a.but b.however c.moreover d.and

20.How about …………………posters on energy saving and hanging them around our school?

a.make b.making c.to make d.to making

II/ CONJUGATE THE VERBS

1.I suggest ………………………..some money. ( collect )

2.What about …………………….a shower instead of a bath to save energy. ( take )

3.I think we should ……………………off the faucets. ( turn )

4.If we plant more trees along the streets, we ……………..more shade and fresh air. ( have )

5.If the pollution ………………on, the world will end up like a second-hand junk-yard. (go)

III/ FILLING EACH GAP WITH A SUITABLE PHRASAL VERB

1.Hanh can’t go to the movies with us tonight. She will have to ………………her little sister.

2.If we …………………wasting water, there will be a shortage of fresh water in a few decades.

3. “ ………………..the TV for me, will you? I want to watch the weather forecast.”

4. “ I think I’ve lost my new pen. I’ve ………………….it eveywhere.

5.Mrs. Yen forgot to ……………………..the faucets when she letf for work.

6.I am ……………………………hearing from you.

7.Never put …………………..till tomorrow what you can do today

IV/ MATCHING UP

V/ GIVE THE CORRECT WORD FORM:

1.There is a …………………….faucet in your kitchen. ( drip )

2.We can protect the environment by ………………….air pollution. ( reduce )

3.I am very …………………because they use electricity to catch fish. ( worry )

4.I want to see the …………………..of environment from the local authority. ( protect

VI/ GAP-FILLING

Are you looking for a cheap, clean, ……………..(1) source of power that doesn’t cause …………………(2) or waste natural resources? Look no further than solar …………….(3) from our sun. At present, most of our electricity comes from the use of coal, gas, or ……………(4) power. This power could be provided by the sun. One percent of the solar energy that reaches the Earth is enough to provide ……………….(5) for the total population.

Many countries are already using solar energy. Solar ……………(6) are placed on the roof of a house and the Sun’s energy is used to …………..(7) water. The energy can be stored for a number of days, so on cloudy days you can use solar energy too.

Sweden has an ……………..(8) solar energy program. There, all buildings will be heated by solar energy and cars will use solar power instead of gas by the year 2015.

1.Is the solar energy an effective source of power?

-………………………………………………………………………………………

2.Where are the solar panels placed?

-…………………………………………………………………………………….

3.How long can the energy stored?

-…………………………………………………………………………………….

4.Is the solar energy used in Vietnam now?

-………………………………………………………………………………………

For most North American households, lighting accounts for 10 percent to 15 percent of the …………………..(1) bill. However, this amount can be reduced……………….(2) replacing an ordinary 110-watt light bulb with an …………………(3) saving bulb. These bulbs use a quarter of the electricity of standard bulbs and last eight times longer. Therefore consumers can …………………(4) about US$ 7 to $21 per bulb.

In Europe, there is a labeling scheme for refrigerators, freezers, washing ………………..(5) and tumble dryers. The label tells the consumers …………………(6) energy efficicent each model is, compared with other appliances ……………………(7) the same category.

Ultimately, these innovations will save ………………….(8) as well as conserving the Earth’s sources.

VII/ COMPLETE THE SECOND SENTENCES

1.It was raining, so we decided to postpone our camping.

- Since ……………………………………………………………………

2.She wants them to sing a song

-She suggests they ……………………………………………………

3.She couldn’t join us because she was busy.

-She was busy, so ……………………………………………………..

4.Shall we go to the cinema tonight?

-What about ………………………………………………………….

5.Why don’t we use energy-saving bulbs?

-I suggest …………………………………………………………….

6.Although she was not beautiful, she took part in a beauty contest.

-She wasn’t beautiful but …………………………………………….

7.Work hard and you will pass the exam.

-If you …………………………………………………………………

8.If you don’t start working hard now, you won’t be able to pass the final exam.

-Unless ………………………………………………………………………….

9.We are delighted. You passed your English exam. ( Adj + that )

-We are delighted ………………………………………………………………..

10.She was tired and therefore she wanted to go home.

-She wanted to go home because ………………………………………………….

III/ CONJUGATE THE VERBS

1.If the rice padddies are polluted, the rice plants ………………………( die )

2.If we ……………..on littering, the environment will become seriously polluted.( go )

3.What ………….they ……………… if they work hard today? ( achieve )

4.If you ……………….a chance to study in a foreign country, just take it. ( get )

5.Plants ……………….if they don’t get the sun and water. ( die )

6.I am looking forword to ……………………from you ( hear )

7.I suggest …………………………by bus. ( travel )

8.If you don’t study harder, you …………………..the final exam. ( not pass )

9.She ……………………terribly sorry if he dies. ( feel )

10.Go with me and I………………………you my new car. ( show )

V/ SUPPLY THE CORRECT WORD FORM

1.The air in the city is very ………………………………( pollute )

2.Please listen to the lecture ……………………………..( care )

3.If the ……………………………..continues, what will happen? ( pollute )

4.He was …………………………..that they were not coming. ( disappoint )

5.He is going to ……………………all the bags. ( collection )

6.We’ll make this beach clean and ……………………..again. ( beauty )

UNIT 6. THE ENVIRONMENT

I-GIVE THE MEANING OF THESE WORDS:

-environment: …………………; garbage dump: …………………; pollution: ……………..; deforestation:….

-dynamite: ………………….; spray: …………………; pesticides: ………………….; provide with : ………

-disappointed: …………………; spoil: ……………….; dissolve: ……………; trash: ………….; prevent: ….

-litter: ……………; unpolluted: ………………; junk-yard: …………………; cover with………….; pump:….

III/ CONJUGATE THE VERBS

1.If the rice padddies are polluted, the rice plants ………………………( die )

2.If we ……………..on littering, the environment will become seriously polluted.( go )

3.What ………….they ……………… if they work hard today? ( achieve )

4.If you ……………….a chance to study in a foreign country, just take it. ( get )

5.Plants ……………….if they don’t get the sun and water. ( die )

6.I am looking forword to ……………………from you ( hear )

7.I suggest …………………………by bus. ( travel )

8.If you don’t study harder, you …………………..the final exam. ( not pass )

9.She ……………………terribly sorry if he dies. ( feel )

10.Go with me and I………………………you my new car. ( show )

V/ SUPPLY THE CORRECT WORD FORM

1.The air in the city is very ………………………………( pollute )

2.Please listen to the lecture ……………………………..( care )

3.If the ……………………………..continues, what will happen? ( pollute )

4.He was …………………………..that they were not coming. ( disappoint )

5.He is going to ……………………all the bags. ( collection )

6.We’ll make this beach clean and ……………………..again. ( beauty )

VI/ GAP-FILLING

Our oceans are becoming extremely ……………(1). Most of this pollution comes from the land, which means it comes from …………….(2). Firstly, there is raw sewage, which is pumped directly into the sea. Many …………….(3), both developed and developing, are guilty of doing this. Secondly, ships drop about 6 millions tons of ……………..(4) into the sea each year. Thirdly, there are oil spills from ships. A ship has an accident and oil leaks from the vessel. This not only pollutes the …………….(5), but it also kills marine life. Next, there are waste materials from factories. Without proper regulations, factory owners let the waste run directly into the …………….(6), which then leads to the ………….(7). And finally, oil is washed from the …………..(8). This can be the result of carelessness or a deliberate dumping of waste.

VII/ COMPLETE THE SECOND SENTENCES:

1.Why don’t we go for a picnic on the weekend?

-> Let’s ……………………………………………………………….

2.Let’s go to work by bus.

-> What about ……………………………………………………….

3.Nga is a good English speaker.

->Nga speaks ………………………………………………………….

4.Unless you get a visa. You can’t visit the United States.

-> If you ……………………………………………………………….

5.If you don’t suceed, you’ll have to try it again.

-> Unless ………………………………………………………………

6.I suggest collecting unused clothes.

-> Let’s ………………………………………………………………..

7.She failed in the exam because she was lazy.( because of + noun phrase )

-> …………………………………………………………………………….

8.Ba is tired. He stayed up late watching TV. ( because )

-…………………………………………………………………….

9.Hoa broke the cup. She was careless. ( since )

-…………………………………………………………………….

10.We were disappointed. She didn’t keep her promise. ( Adj + that )

-………………………………………………………………………

II/ FILLING EACH GAP WITH AN APPROPRIATE PREPOSITION:

1.The teacher divided class …………………………four groups.

2.He provide us …………………….a lot of useful information.

3.The ground is covered …………………trash. You should clear ………….all the trash.

4.Raw sewage is pumped directly …………………….the sea.

5.They are trying to save the animals …………………extinction.

6.The world will end ……………….like a second-hand junk-yard.

7.I am looking forward ………………..hearing from you.

8.Don’t throw trash ………………the water.

I/ STRUCTURE AND VOCABULARY

1.They shouted and looked ………………………at me when I broke the vase.

a.angry b.angrier c.angrily d.anger

2.He is tired ………………............he stayed up late watching TV.

a.so b.because c.but d.and

3.We are talking about the preservation of …………………………resources.

a.natural b.naturally c.nature d.naturalize

4.Is he really ………………………..that you can come there.

a.disappoint b.disappointed c.disappointing d.to disappointing

5.It is our policy to …………………..foresta and increase forestation.

a.protect b.protecting c.to protect c.protected

6.I suggest ……………………to the movies.

a.go b.to go c.going d.went

7.They made their living by ……………………..fish in the ocean every day.

a.catch b.catching c.to catch d.caught

8.I will be …………………….if she manages tio sell that motorbike at a high price

a.surprise b.surprised c.suprising d.to surprise

9.If you know where she lives, please let me ………………………

a.know b.knew c.known d.to know

10.If you live in this small town, you ………………..earn much money.

a.aren’t b.couldn’t c.can’t d.didn’t

11.Unless you understand, I ……………………..explain it again to you

a.am b.was c.will d.would

12.If he …………………a student.He ưill get a discount.

a.is b.was c.were d.will be

13.Because plastic bags are very hard to ………………….They will cause pollution

a.dissolve b.wrap c.tear d.collect

14.These materials can be ……………………..into other packaging products.

a.reused b.reduced c.removed d.recycled

15.If people ………………….public transport, there will be less pollution.

a.use b.will use c.can use d.used

16.Minh’s English is excellent. He speaks ………………………..

a.perfectly English b.English perfectly c.in perfect English d.English perfect

17.Ìf you go ……………..doing that and you’ll end …………..in serious trouble.

a.up/ with b.on/ up c.off/ with d.out/ up

18.Crops are sprayed with ……………………….to kill insects.

a.fertilizer b.manune c.dung d.pesticide

19.What about ……………………used paper, bottles, cans everyday?

a.collect b.collecting c.to collect d.to collecting

20.If the sea water continue to be polluted, many fish species ………………….extinct.

a.became b.will become c.would become d.become

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