_____ the help of the policeman, I found my lost wallet.
_______ you tell me how I_______ get to the No.168 Middle School?
Excuse me, Peter. There’s something wrong with my car. Could I ?
—Could you buy us _________ drinks? —Sorry, I don’t have _____ money.
Could you _____the window? I feel a little cold.
--- Millie, do you mind if I turn on the TV?--- ________. My grandma is sleeping now.