Party and Class的用法和样例：
- He is an interested party and can not serve on the jury.
- Let's go to the party and whoop it up.
- I am doubly indebted to you-- for the party and for your generous gift!
- I'll do all that the Party and the people require of me.
- Fill in the package name and class name.
- My son wants to go to the party and I'll have to give in and say yes.