Bill is not a fast runner and he doesn't have a chance of winning the marathon, but he will _____ the race even if he finishes last.
I looked everywhere in the house ______ a key that had been lost.
The man is standing _______ his back _______ the fire.
I don’t want to _______ money on such books.
He had ______ in finding Mr. Green’s house.
——Who telephoned just now? ——Sorry. I couldn’t ______ the voice.