Помогите в пропуски надобно поставить - must,cant, or might.Complete the

Помогите в пропуски надобно поставить - must,cant, or might.
Complete the dialogues with must,cant, ormight.

Example: They must be out. Nobody is answering the phone.

1Look, Rose left her bag here.
It ________ be Roses her bag is black.
2I passed my driving test!
Congratulations! You ________ be very happy.
3Wheres Richard?
I dont know. He ________ be in a meeting. Shall I look in his diary?
4Ive just run 20km. Im training for a marathon. Really? You ________ feel exhausted.
5I thought you ________ like to borrow this book. Oh great, thanks. I was thinking about buying it.
6Youre getting married? You ________ be serious! Youre right. Im just joking.
7Daisy and Martin are on holiday in Sicily this week. They ________ be. Ive just seen Daisy in town.