They have ______ their homework already.
It’s _______ hot _______ cold all the year round in Kunming. It’s called “Spring City.”
—Oh, Mrs. Black, your wallet looks nice, is it new?—No, I ________ it for two years.
At last, the thief handed everything ______ he had stolen to the police.
You’d better ______ football in the street.
I would like to buy the black pen because I ______that kind of pen ______well.