Fill in the blank with one suitable preposition or adverb.
1. You look tired. Sit _____ and have a cup of tea.
2. I'm looking _____ yesterday's newspapers. Did you throw it _____ ?
3. Could i try _____ these shoes, please? Size nine.
4. Turn _____ the music. It's too loud!
5. I turned _____ the radio and listened to the six o'clock news.
6. I used to smoke, but i gave it _____ last year.
7. Just go _____ with what you were doing.
8. Pick _____ you litter! Son't drop it on the street!
9. Don'tbworry about the baby. I'll look _____ her while you're out.
10. I'm lookibg _____ to meeting her very much.
11. Who do you take _____ the most, yourfather or your mother?
12. I ran _____ an old friend in the street this morning.
13. 'How do you spell this word?' 'I'm not sure. You'd better loo it _____ in your dictionary.
14. Look _____ ! The car is coming!
15. The show was called _____ because of the rain.
Complete the passage with a suitable word from the box.
power. heat. effective. devices produce. resources. experimentally. fuels |
Are you looking for a cheap, clean, (1)_____ source of power that doesn't cause pollution or waste natural (2)_____? Look no furthet than solar energy. While mosr (3)_____ now in use are beging burned at an astonishing rate, solar energy, or (4)_____ from the sun, will last as long as the world lasts. This energy has already been used to (5)_____ and cool homes. and to cook food. It has been used (6)_____ in radio batteries and in furnishing power for telephone lines. The (7)_____. However, are cheap to operate but very expensive to (8)_____.
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