44. Fill in the blanks with the verbs can, may or must: 1.I have forgotten my own language and ... speak nothing but yours.
2.We ... go somewhere. We ... not wander about forever.
3.But I think you ... have told us this half an hour ago!
4.You ... see much of interest there.
5.I did not hear him return to the room. I ... have been asleep.
6.You ... have mistaken him, my dear. He ... not have intended to say that.
7.It seemed possible they ... return.
8.It ... not have happened at Ain Swick.
9.No good looking back; things happen as they.
10.To be ashamed of his own father is perhaps the bitterest experience a young man ... go through.
11.How ... you let things slide like that, Dick?
12.I think you ... be glad of some coffee before you start back to your hotel. It's such a cold night.
13.And though he undressed and got into bed he ... not sleep.
14.You ... not go out so late at night.
15.I think it ... happen sooner or later.
16.I ... come tonight, ... I not?
17.Somebody is knocking at the door. It ... be John. — It ... not be John. It’s too early for him to be back.
18.I don’t know for certain, but he ... have been a sailor in his youth.
19.They ... ask me about him. What should I say?
