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Exercise 8: Rewrite the following sentences and add the available modal verbs to the appropriate position.

1. You use this machine after 5.30 p.m. (mustn't)
2. You clean this machine every time you use it. (must)
3. You drive without a license. (mustn't)
4. I pass the exam. (must)
5. You visit the city museum. It is very interesting. (must)
6. Antonio get up at 6 a.m. (must)
7. You tell anyone. It’s a secret. (mustn't)