----Say, Jane, will you come with me to the game Friday? ---- , Bob, but I promised Mary I’d go with her.
. The trouble is _____ we are short of hands.
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.