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5. If you are lucky enough, you will get a concert ticket for free.
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6. We are expecting him to arrive.
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7. The product is up to standard./He always works to high standards.
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8. He regrets not having bought the book.
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9. He got up early so that he would not miss the train./He got up early in order not to miss the train.
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10. She is so clever that she can work out the difficult Maths problem.
She is clever enough to work out the difficult Maths problem.
She is clever enough to work out the difficult Maths problem.
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Phrases
1. (all) over again
1. (all) over again
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2. dried food
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3. sleeping bag
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4. at the/a speed of .../at high speed
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5. in the form of ...
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6. compared with/to ...
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7. carry out
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8. after all
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9. travel into space
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10. by the year 2100
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11. large numbers of/a large number of passengers
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12. the rapid increase in population
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13. be specially designed
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14. be of great help to ...
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15. prevent oneself (from) floating off into space
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16. a guide to doing sth ...
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17. a very popular form of ...
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18. begin/start with a discussion
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19. worry about/be worried about living there
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20. the public transport system
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21. be in agreement
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22. challenging as well as interesting
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23. more and more crowded
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24. with the development of technology
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25. more and more polluted
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26. be aware that/of ...
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27. three−eighths/three eighths of the gravity
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28. the computer connected to the network
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29. air tank
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30. power pack
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Sentences
1. It takes Mars about two Earth years to circle around the Sun.
1. It takes Mars about two Earth years to circle around the Sun.
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2. I'm not sure whether it's worth (taking) the risk.
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3. They make us feel like we are really inside the game(s).
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4. It is hoped that we can finish the project before this weekend.
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5. A large number of/Large numbers of people go travelling during the National Day holiday.
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6. The car is moving at a speed of 100 kilometres per hour.
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7. Help in the formof money will be welcome.
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8. The air on Mars is much thinner than that on the Earth.
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9. We carefully compared the results of the two tests.
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10. They visited the museum as well as the zoo.
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11. I prefer to stay in a hotel room with/which has a sea view.
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12. The photos remind me that I travel(l)ed to the UK five years ago.
The photos remind me of my trip to the UK five years ago.
The photos remind me of my trip to the UK five years ago.
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