1. The children are playing in the garden.(C)
2 .I don’t like milk. (U)
3.I prefer tea. (U)
4. Scientists say that the environment is threatened by pollution. (U)
5. My mother uses butter to prepare cakes.(U)
6. There are a lot of windows in our classroom. (C)
7. We need some glue to fix this vase. (U)
8.The waiters in this restaurant. (C)
9.My father drinks two big glasses of water every morning. (U)
10.The bread my mother prepares is delicious. (U)
11. Drivers must be careful; the road is slippery. (C)
12. Some policemen are organizing road traffic to avoid any accidents. (C)
13. I bought three bottles of mineral water for our picnic. (C)
14. I’d like some juice please. (U)
15. Successful candidates will join the camp later this year. (C)
16. A rise in oil prices is inevitable since there is more and more world demand for energy. (U)
17. The exercises on this website are interesting. (C)
18.Dehydrated babies must drink a lot of water. (U)
19. Adult illiterates learn through a special government program.(C)
20. I met some nice people when I was walking along the beach. (C)
