—I choose(选择)Saturday.
—A hamburger and a cup of coffee.
—I'd love to, but I have ________ to do.
—Then you can eat another piece.
—Yes. I usually play soccer ________ one hour every day.
do one's homework, take a walk, either... or... , lots of, go to bed
—Of course. It is good exercise.
—At about 10:30.
—He is in the study(书房).