1. Water (consist) of hydrogen and oxygen.
2. Don't give the chocolate to Helen. She (hate) it.
3. The sun (give) us heat and light.
4. We (be) students, so we (often/go) to school on weekdays.
5. Every day, Peter (often/go) at 7o'clock, (have) brekfast, and then (go) to work at 7.30
6. California (be not) in the United Kingdom. It (be) in the US
7. Cats (like) milk, but birds (not)
8. Every day, Sarah (take) her children to school and then     home to prepare lunch.
9.The sun (be) the ball of fire in the sky that the Earth (go) round.
10. Sally (take) really hard for her exams this weeek.
11. Many people (hate) living in Seattle because it (often/rain) continually.
12. The sun (rise) in the East and (set) in the West.
13. (Peter work) on the computer now?
14. Listen! Mr. Jones (play) the piano. You (not make) noise
15. Right now, Long (sit) with his friends. They (discuss) the differences between British English and American English.
16. (you be) free this afternoon?
     No, I (be not)    
     What (you do) ?
     I (see)  my dentist
17. Listen! Someone (knocks) at the door. I (answering) it
18. Every day, John (have) rice and vegetables for lunch, not today he (have) chicken soup. Today is his brother's wedding
19. It (rain) , so we can't go to the beach  
20. My father (want) complete silence when he (work)
21. Since 2003 they (visit) their son every year.
22. Usually, Mr. Pie (teach) us Physics but today he (be) ill so Mrs. Young (teach) us.
23. I'm sorry I cannot hear what you (say) because everybody (talk) so loudly.
24. I (have) the same car for more than ren year. I (think) about buying a new one.
25. My best friend and I (khnow) each other for over fifteen years. We still (get) to gether once a week.