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1. She doesn't have a brother.
Does she have a brother?
2. I must not do it now.
Must I do it now?
3. He isn't very late.
Is he very late?
4. They don't have time to do it.
Do they have time to do it?
5. You can't wait here.
Can you wait here?
6. Mary isn't right.
Is Mary right?
7. He doesn't take English lessons.
Does he take English lessons?
8. They don't try to understand.
Do they try to understand?
9. She doesn't feel well.
Does she feel well?
10. You don't write to them every day.
Do you write to them every day?
11. I don't live in this house.
Do I live in this house?
12. I don't keep it in my pocket.
Do I keep it in my pocket?
13. I don't work on the tenth floor.
Do I work on the tenth floor?
14. Mary doesn't speak better than John.
Does Mary speak better than John?
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