Odpowiedź:
2 We should tip the waiter. He's been so helpful.3
3 You don't have to defrost the fridge. It does it itself.
4 Can I use your phone to make a call?
5 Shall I download the programme for you?
Zad 6
2 You mustn't speak on your mobile phone in here.
3 You don't have to send the email. I've already done it.
4 You must pay to download music and films on some sites.
5 You mustn't bring mobile phones into the exam room.
6 You don't have to buy a tablet, you can use mine.
7 I must study harder.
8 John and Bill have to finish their work before they can go home.
Wyjaśnienie:
