Помогите закончить диалоги: Complete the dialogues with must, can’t…

Помогите закончить диалоги: Complete the dialogues with must, can’t, or might. Example: They must be out. Nobody is answering the phone. 1 ‘You’regetting married? You ________ be serious! ’ ‘You’re right. I’m just joking.’ 2 ‘I thought you ________ like to borrow this book.’ ‘Oh great, thanks. I was thinking about buying it.’ 3 ‘I’ve just run 20km. I’m training for a marathon.’ ‘Really? You ________ feel exhausted.’ 4 ‘Marilyn and Bob are on holiday in Sicily this week.’ ‘They ________ be. I’ve just seen Marilyn in town.’ 5 ‘I passed my driving test! ’ ‘Congratulations! You ________ be very happy.’ 6 ‘Look, Jane left her bag here.’ ‘It ________ be Jane’s– her bag is black.’