Mr/Mrs/Miss Li lives on fifth floor.
Women's day is on March 8th.
She spent two hours in doing homework./She spent two hours on her homework./It took her two hours to do her homework.
My mother bought two kilos of meat today.
This pen cost him only three yuan./He spent only three yuan on this pen.
I get up at 8:15 on Sundays.
She was the fifth because she scored 90.
We are going to do Exercise 7.
Christmas day is on December 25th every year.
Mary was born on May 5th.