2 * Choose the correct item. 1 All passengers can/must get off the plane immediately. 2 You don't have to/mustn't buy a tyre for the car. It's not flat. 3 Should/Could you hand me the tickets, please? 4 Do I need to/Can I give my laptop to the security staff if they ask for it? 5 You may/must make sure you've got everything before you leave for the airport. 6 I needn't/mustn't park the car here; it's for taxis only.
