Mary:
What do you do in your spare time?

你业余时间干什么?
Jim:
I enjoy reading alone at home. How about you?

我喜欢一个在家里读书,你呢?
Mary:
I like swimming very much so I spend much of my spare time in swimming pools.

我特别喜欢游泳,大部分业余时间都泡在游泳池里了。
Jim:
Then you must be in good health.

那你的身体肯定特棒。
Mary:
Yes. I think if you are free you should take part in some sports. It will do you good.

是的,我想你如果有时间的话应该参加点体育运动,对你有好处。