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1. I have a red pen.
2. Do you have a red pen?yes./no
3. Which pen do you have?the red pen
4. Who has a red pen? I have/He has.
5. How are you? I am fine, thank you.
6. Where are you? in the class.
7. How old are you? 20 years.
8. How old is this building? very old
9. An old man went inside an old building.
10. Who went inside the old building? the old man.
11. How old was he? 99 years old.
12. Where did the old man go? Inside the old building.
13. Why do you  sleep in my class?because I slept very late./ because your class is very boring.
14. When do you get up? when I like./at 10 o'clock./as I like