The little boy saved every coin __________ he could buy his mother a present on Mother's day.
The boy was so tired that he fell asleep _______ his mother could take off his clothes.
Peter sat on the train seat, with his eyes ____ on the fields outside the window.
Everyone was out of _____ breath after they ran for so long _____ time.
— They have discussed the problem for hours. — Have they come to any_____?
— Do you mind my shutting down the radio?—_____. The good news will be on the air right away.