XI. Read the passage carefuliy, then decide whether the following statements are true (T) or false (F).

Many people still believe that natural resources will never be used up Actually, the world's energy resources are limited. Nobody knows exactly how much fuel is left. However. we also should use them economically and try to find out alternative sources of power. According to Professor Marvin Burnham of the New England Institute of Technology, we have to start conserving coal, oil and gas before it is too late; and nuclear power is the only alternative

However, many people do not approve of using nuclear power because it's very dangerous. What would happen if there was a serious nuclear accident? Radioactivity causes cuncer and may badly affect the future gencrations. The most effective thing is that we should use natural resources as economical as possible

1. Natural resources will never run out

2. We don't know exactly how much fuel is left

3. We shouldn't waste fuel

4. According to Mr. Burnham, there is no substitute for coal, gas and

5. All people agree to use nuclear power as an alternative energy

6. Radioactive waste is harmful for health

omplete the conversation with the appropriate expressions in parentheses

Matthew: (1)____________ (Why don't we/ What about) go to the Revolutionary Museum? I hear it's really exciting

Sandra : I'd like to, but I need to go shopping

John: Then (2) ___________ (How about/ Let's) go to Ben Thanh market this afternoon

Matthew : If we do that this afternoon, (3)__________ why not/ let's not) go to the Revolutionary Museum now?

John : OK, but (4)_________(let's/ I suggest) getting something to eat first

Matthew: I don't think we'll have time. (5) _________(How about/Why not) getting some fast food over there?

Then (6)____________(shall we /we could) take a taxi to the Revolutional Museum.

Sandra: Sounds good. Here's an idea for tomorrow. (7)__________( Why don't we/ Lets) take a trip to Cu Chi Tunnels. And when we come, (8)__________ (How about/ I suggest)having dinner in one of floating restaurants.

Matthew: OK. (9)________(Let's/ Why not) do that.

suggestions, using the structures suggest + V-ing or suggest (+ that) +clause.

3. You and your friends don't know what to do this weekend. (have/ picnic/ the park)

4. There are some cracks in the pipe in Mr. Ha's bathroom. (get plumber/ fit/ new pipe)

5. You and your brother fel very bored at the moment.(watch/ comedy/television )

6. Sandra is leaving her bike outside the bookstore. (lock/ her bike/ carefully)

7. Your friend wants to improve his pronunciation. (speak/ English/ friends/ watch/ English TV programs)

8. there's an exam tomorrow. Neither you nor Rachel have done any work for it. (do/ some revision)

VIII. Fill in the blank with one suitable preposition or adverb. have a cup of tea.

1. You look tired. Sit_________and have a cup of tea

2. I'm looking_______ yesterday's newspaper. Did you throw it _______?

3. Could I try_________these shoes, please? Size nine.

4. Turn _______the music. It's too loud!

5. Don't forget to turn__________ the lights when you come to bed.

6. I used to smoke, but I gave______last year.

7. Just carry________with what you were doing

8. Pick _______ your litter! Don't drop it on the street!

9. Don't worry about the baby. I'll look________her while you're out.

10. I'm looking________ to meeting her very much.

11. Who do you take_______the most, your father or your mother?

12. The test is about to begin. Please put_______all of your books and notebooks

13. 'How do you spell this word?' ' i'm not sure. You'd better louk it_______in your dictionary

15. Tho show was cailed___________because of the rain

VII. Complete the dialogues, using tie correct form of the phrasal verbs in the box.

look after ,take off, fill in, turn up, break down , give up, keep up, turn off ,see off ,look up, run out

4. A: Is going Kathy to Australia tomorror

B: yes, I'm going to the airport to_______ her_______

5. A: Would you like to go to the movies with us?

B: I'd love to but I have to_________my youngest sister.

6. A: Why are you so late?

B: Im sorry. My car_________on the way here.

7. A: why don't you __________that dress in the window?

B: No. I don't like its color.

8. A: Have you got Tamara's phone number?

B: No. But if you want to know, you can_______it_________in the phone book.

9. A: Hello, Tom.

B: Hello, Michelle. Good to see you. Come in and___________your coat__________

10. A: You shouldn't leave the television on all night.

B: Sorry, I forgot. I usually______it________ before going to bed.

11. A: Have you met Jane yet?

B: No, I haven't. I arranged to meet her after work last night but she didn't________

12. A: So how long is it since you_________ smoking?

B: Well, I stopped smoking three years ago.

come back cut out fall over, et on o away, throw away, pay back, let in lie down, stay in, cross out, take back,

Use a dictionary if you need to.

2. Can't we go out somewhere? 1 don't want to ________all evening

3. Could you lend me ten pounds? Ill___________you_________on friday.

4. The sidewalk is very icy, Be careful you don't ___________

5. I was feeling so tired I had to________on the bed for a while.

6. There was an article in the newspaper that I wanted to___________and keep.

7. Mark's gone out, and I don't know when he is going to _________

8. The driver unlocked the coach so that the passengers were able to _________

9. I'll have to ___________these books___________ to the library

10. Your brother was being a nuisance, so I told him to __________

11. Don't___________ that box. We can use it again.

12. If you make a mistake on the form, just__________it ____________

V. Combine two sentences into one, using the connectives from the list: and but, because, so, therefore, or, moreover, however, if, when, unless.

1. You can go home. You've finished this exercise.

2. I don't get many opportunities to practise my English. I find it difficult to remember everything I study

3. I'm practising speaking English a lot. I don't want to fail in the oral test.

4. The world's energy resources are limited. We should use them economically

5. The country could face an energy crisis. Demand continues to rise.

6. You can't borrow my dictionary. You bring it back on Monday.

7. The cost of installation is very high. Solar dosmestic heating systems are economical to use.

8. Solar panels are placed on the roof of a house. The Sun's energy is used to heat water.

9. I don't agree with a lot of his teaching methods. He is a good teacher

10. We'd beter not waste water. We won't have enough to drink sooner or later.

11. The house is quite beautiful. The cost is not too high.

12. Do you want to study more? Do you want to look for a job?

1. Polly's watch was broken __________she borrowed mine.

2. My family went to Africa___________we wanted to study the wild animals.

3. Melissa tried to read the book ___________ she couldn't understand it

4. She isn't English___________she speaks English perfectly

5. They went to town ___________ bought a lot of clothes.

6. the road was under water___________the police closed it to traffic

7. The air is polluted_________there's too much traffic.

8. i haven't got a car____________I've got a motorbike

9. Which color do you want- red, green, yellow,_________ blue?

10. She's working late next Friday___________ she can't come to the party

III. Complete the sentence with the correct form of the word in brackets. radio batteries and in are to produce

1. Food is a _________of life. (need)

2. I asked for a _________as the dress was damaged. (reduce)

3. There are a lot of technological ___________ designed to save energy. (innovate) .

4. We find advertising on television very__________ (effect)

5. I switched the light off to save __________(electric)

6. Energy__________includes searching for alternative fuels. (conserve)

7. Energy-saving bulbs help ____________save money. (consume)

8. She needed only one more stamp to complete her_________(collect)

9.___________ friendly energy sources include water and wind power. (environment)

10. People who exercise___________ are less likely to feel stress (regular)

II. Complete the passage with a suitable word.

Are you looking__________a cheap, clean, effective source of power that doesn't_________pollution or waste natural resources? Look no further than solar ________.While mos: fuels now in use are being burned ________ an astonishing rate, solar energy, or power from the ______. will last as long as the world _________.This energy has already been used to heat and ucol homes and to cook ______ has been used experimentally ______ furnishing power for telephone lines. The devices, ______ cheap to operate but very ________to produce