b1+ u7 deduction

RESPOND TO THIS SENTENCE USING THE WORDS IN THE (...) :
I think I've lost my passport. (must, worried)

'Your phone's ringing!' (might, my mum)

'Paul's taking his umbrella. (must, rain)

'Gary's car isn't in the drive.' (can't, at home)

'Lara's not in class.' (could, at the cafe)

'Look! Three fire engines!' (must, somewhere)

'Whose jacket is this?' (might, John's)