Having walked in the desert for several days, they felt exhausted, but they had to find a pool before the water in the bottle ___________ .
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.
Only when ______ in 1918, ______ happily back to work.
The boy would have died, _______ on him without delay.