Fill in: airway, casualty, principles, aid, unconscious, upright. ​

1)Casualty

2)airway

3)Unconscious

4)upright

5) Aid

6)principles

listen, ivan sings in the next room.it doesn't see that i look at it, as he reads something with a great interest.call him now. i think that he doesn't sleep yet.look at the person who sits at a window. he/she is our lawyer.