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Rewrite the sentence using the correct modal. ( have to/ don't have to/ must/ mustn't/ need to )

1. It's not necessary to go to school on Saturdays.
answer:
2. It's obligatory for all drivers to have a driving license.
answer:
3. It's compulsary for John to learn Spanish.
answer:
4. Passengers aren't allowed to smoke in this compartment.
answer:
5. It 's necessary to book in advance.
answer:


Sagot :