4 Choose the correct answers.

Emily should / shouldn’t / mustn’t plan her route before she goes. It will make her holiday

easier.

1 Your parents don’t have to / should / mustn’t travel first class. It’s more comfortable and not much more expensive.

2 Dave must / doesn’t have to / shouldn’t have a ticket. He can’t travel without one.

3 You don’t have to / should / mustn’t take photos at the airport. It’s illegal.

4 Tanya doesn’t have to / shouldn’t / should walk around a strange city at night. It can be dangerous.

5 Alice doesn’t have to / must / mustn’t go sailing if she doesn’t want to. It was just an idea.