Don’t forget ____________ the lights when you leave.
—He has already gone to England. —When________ he________ there?
--- How do you improve your listening skill? --- I often do it ________ tapes and English radios.
--- Are you afraid of the dark? --- Yes, I always go to sleep _________ the light on.
— What a new computer! Can you tell me _________? — Just the day before yesterday.
— Would you mind my sitting here? — ________________. It’s for my friend.