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1. You must come here now.
2. I've finished. What should I do now?
3. You must not smoke in the office.
4. You don't have to wear a suit, but you can if you want to.
5. Should not you be at home now?
6. Do I have to buy a ticket?
7. She doesn't have to clean her room every day; only at weekends.
8. Our boss has to be in the office at 7.00 a.m.
9. I must go to the station now.
10. We don't have to walk. We can take the car.
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Could you tell me how to find a book I need in this shop? Could you tell me where is the nearest bus stop?
Do you know where does he live? Do you know how much does this T-shirt cost?