. You mustn’t / don’t have hurry. We have plenty of time. 2. You must / should remember to write the report. The boss will be furious if you forget. 3. The exhibition was free so I hadn’t to / didn’t have to pay. 4. Do you have to / Should you wear a uniform at your school? 5. We must / had to wait two hours at security and nearly missed our flight. 6. Had you to /Did you have to a lot of home work when you were at school? 7. I think people who live in flats mustn’t / shouldn’t have dogs. 8. She’s allergic for dairy products so she mustn’t / doesn’t have toeat anything made from milk
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The concert tickets were sold out, so we didn’t have to / couldn’t go.You must / should drink plenty of water when exercising to stay hydrated.