BÀI TẬP TIẾNG ANH 117. When the fire officers arrived they could / were able to put out the flames in a couple ofminutes.8. The air was so polluted in the city center, I could hardly / was hardly able to breathe.9. I knew John had been smoking. I could / was able to smell the cigarettes when I cameinto the room.10. Can you / Are you able to drive without your glasses?11. No changes can / are able to be made to this rail ticket after purchase.12. He could / was able to untie the ropes without the guards noticing.13. She looked all over the house, but couldn't / wasn't able to find her keys anywhere.14. I was very busy at work; but I could / was able to have a couple of days off last week.15. She swam strongly and could / was able to cross the river easily, even.though it was swollen by the heavy rain.V. Put in could or was/ were able to. Sometimes either is possible. Use a negative ifnecessary.1. Suddenly all the lights went out. We ______ see a thing.2. The computer went wrong, but luckily Emma ______ put it right again.3. There was a big party last night. You ______ hear the music half a mile away.4. I learnt to read music as a child. I ______ read it when I was five.5. People heard warnings about the flood, and they ______ move out in time.6. The train was full. I ______ find a seat anywhere.7. Mrs. Carter ______ put out the fire before the house burnt down.8. I looked everywhere for the book, but I ______ find it.9. The plane ______ take off at eleven o'clock, after the fog had lifted.10. It was foggy, so the plane ______ take off.VI. Add question tags to the following statements.1. He hardly ever makes a mistake, ________?2. Nobody liked the play, ________?3. She'd save money if she bought fresh food, ________?4. She's very' funny. She's got a great sense of humour, ________?5. The area was evacuated at once, ________?6. Mr Smith usually remembered his wife's birthdays, ________?7. It never -.works very well, ________?8. He ought to have made a note of it, ________?9. Neither of them offered to help you, ________?10. There'll be plenty for everyone, ________?11. Let's go out for dinner tonight, ________?12. That isn't Bill driving, ________?13. Nothing went wrong, ________?14. There used to be trees here, ________?15. This won't take long, ________?16. Don't touch that button, ________?17. I'm too late, ________?18. Not a very good film, ________?19. Somebody wanted a drink, ________?20. They think he's funny, ________?VII. Fill in each blank with an appropriate preposition.181 BÀI TẬP TIẾNG ANH 111. Yuri Gagarin lifted ______ into space aboard the Vostok 1 ________ 9.07 a.m. Moscowtime ______ 12 th April, 1961.2. He was ______ orbit around the Earth ______ a speed of more than 17,000 miles perhour.3. No one knew precisely what would happen ______ a human being ______ space.4. How would the mind deal ______ the psychological tension?5. How would the body react ______ the extreme changes in temperature?6. We congratulate you ______ your successful flight.7. The American people shared ______ the Soviet people their satisfaction for the safeflight.8. After his death, his hometown was named ______ him.9. China became the third country in the world to be able to independently carry ______manned space flights.10. China launched its first manned spacecraft ______ space ______ October, 2003.VIII. Use the cues given to write a complete sentence.1. nowadays/ our lives/ improved/ much/ progresses/ science and technology//_______________________________________________________2. II want/ become/ astronaut/ I/ able/ travel/ fast/ sound//_______________________________________________________3. Sally Ride/ one/ five astronauts/ space shuttle Challenger/, completed/ successful six-dayvoyage/ space//_______________________________________________________4. Neil Armstrong/ famous! American astronaut/ known/ first/ walk/ the moon//_______________________________________________________5. July 20th 1969/ two Americans/ land/ moon/ spaceship/ name/ Apollo//_______________________________________________________6. Yuri Gagarin/ first man/ travel/ space//_______________________________________________________7. Yuri Gagarin/ make/ another space flight/ if/ tragic accident/ not occur//_______________________________________________________8. China/ become/ third country/ world/ able/ independently/ carry/ manned space flights//_______________________________________________________--UNIT 15TEST1I. PRONUNCIATIONChoose the word that has the underlined part pronounced differently from that of theothers.1. a. foot b. moon c. look d. would2. a. gravity b. aspiration c. biography d. possible3. a. technical b. conquest c. psychology d. launched4. a. national b. venture c. fortunate d. suggestion5. a. support b. shuttle c. success d. ventureII. LANGUAGE FOCUSA. Choose the word or phrase - a, b, c or d - that best completes the sentence orsubstitutes for the underlined word or phrase.6. Neil Armstrong was the first man to walk on the moon ______ 20 July 1969.182
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