介绍他人的基本句型 — 英语阅读题

阅读短文，完成下面的任务。 Tom is my classmate. Every day we play together. This is my friend Kate. She is tall and kind. Kate likes to help me. We are good friends. After school, we go home together. 任务：短文中有一句是用 This is... 句型介绍朋友的句子，请把这句完整地抄写下来。