—Mom, I’m afraid I can’t win the competition.—Believe in yourself, my boy, and tell yourself ______.
It’s necessary for you _____ exercise every day.
—Could you tell me _____? —Sorry, I don’t know.
The supermarket provides customers _____ plastic bags for free.
—Is it interesting to play computer games? —Yes, _____ you are interested in playing computer games, you’ll have trouble giving it up.
She has _____ this car for nearly ten years.