把good fun,good excise,find out翻译并造句

good fun 很大的乐趣
It is good fun for me to swim in the summer.
夏天游泳对于我来说有很大的乐趣.
good excise 好的锻炼,好的练习
We should do some good excises every day to make make ourselves improve.
我们每天要做一些好的练习来让我们进步.
find out 发现
Finally he found out the wallet had been stolen.
最后他发现钱包被偷了.
放心,都队的