用be动词的适当形式填空, 完成下面短文

  Hello! IWu Haiyuan. My English nameBett y. Therethree people in my family. They are my father, my mother and I. I have two pen friends. TheyAnn and Linda. Theyfrom America. Ann and Lindain Grade Two, but Annin Class Three, and Lindain Class Four . Iin Class One, Grade Two. Wevery happy every day.