TASK 2. Choose the correct item. ⦁ You may/must /can/needn’t make sure you have got everything before you leave for the airport.
⦁ You may/must /don’t have to / mustn’t buy a tyre for the car. It’s not flat.
⦁ Do I need to /Can I/ May I /Must I give my laptop to the security staff if they ask for it?
TASK 3 Complete sentences with the correct form of the words using prefixes –il/im/in .
⦁ I think it’s … to tell people how much you earn. It’s not nice. (appropriate)
⦁ You get trouble with the police if you do anything … .( legal).