Nobody can live________ fresh air and clean water.
I know you are shorter than your two brothers, but you run _______ of you three.
George has put on weight recently. I think he’d better _______ too much.
My father is _______. And we just had a party for his _______ birthday last weekend.
一Excuse me, where can I exchange _______?一There is a bank on the second floor.
Basketball is so popular a game in the world that ______ people play it for fun and exercise.