Having walked in the desert for several days, we felt exhausted, but we had to find a pool before water in the bottle ____.
The guide showed the travelers _____ of the factory.
We should mind our behaviour ______ public.
Excuse me, I have no ______ on me. Can you _____ the note of 100 yuan ?
They made a bet _____the white horse.
He _____ himself in Shanghai.