Time goes by so fast . We must never miss the chance to show love for our parents and make them _____ how much they mean to us .
-- _________ do you like ping-pong ?-- Because it is relaxing.
—What’s your father?-- He is a doctor. He _________ in a local hospital.
Steve and Jack didn’t think ________ of their school. Everything is so old.
For kids of this age, two hours of sitting in a classroom ________ too long.
The policeman told the children ________ play in the street.