以下句子用英文怎么写
问题描述：
以下句子用英文怎么写
1、我三个月理一次发.
2、我上次举办的派对在去年的三月六日.
3、也是为我生日举办的派对.
答
I have my hair cut every 3 months .
The last party that I held is in Mar 6th last year .
The party was held for my birthday .