Ex.4 Mustn’t или don’t have to?

You ___ cross the road here. It's dangerous.

You ___ come. It's optional.

Visitors ___ touch the pictures.

Tomorrow is Sunday. I ___ get up early.

You ___ tell anyone. It's a secret.

She ___ wear a tie. It's casual.

You ___ drive fast here.

We ___ pay. It's free.

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