Fill in the gaps with the most appropriate modal verbs. 1) Sally looks sad and worried . She have a problem with something.
2) I see your passport please?
3) He can't see well, so he wear glasses all the time.
1) could, 2) Might, 3) must
1) must, 2) Can, 3) has to
1) might, 2) Could, 3) had to
