While _________, people sometimes can’t help buying something they don’t really need.
The reason why he was late is ______ he got up too late.
While crossing the street, please ________ for the coming cars.
_______ his foot wounded so seriously, he had to give up this basketball game.
The company was named Gates Hall ______ a man named James Gates.
—Let's go Dutch for this supper,OK? —No,________ this time,as a reward for all your help.