Millie didn't go to school because she was ill.对 because she was ill.提问下面还有谢谢

问题描述:

Millie didn't go to school because she was ill.对 because she was ill.提问下面还有谢谢
They had a party twice a month last year.                 对twice a month.提问

Why didn't Millie go to school?
How often did they have a party last year?