13. Why do you believe him? He never tells the truth. He always lies.
14. She decided to visit London last month. She met interesting people,
saw wonderful sights, and enjoyed herself a lot
15. Where is she? I am witing for her.
16. Do they know that water boils at 100degrees Celsius?
17.My parents built the house in 1985.
18. He isn't married her because she broke up with him last year.
19. Look at her! She is siting in the park over there. Isn't she
wonderful?
20. Did he like the book he borrowed yesterday?
1. Never send anything you wouldn't say in real Ilife.
2. Never give out your address, phone number, school
or your parent's names without permission.
3. Never send packages or pictures to people you've
met online without your parent's permission.
4. Do not share your passwords with friends.
5. Never install programs on your computer without
permission.
6. Never agree to met someone you've met online in person.
7. If you find something online that makes you feel
uncomfortable, talk to a parent.
8. clean the computer!
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