If the building project______by the end of this month is delayed,the construction company will be fined.
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.
Only when ______ in 1918, ______ happily back to work.