She's/He's my...句型运用 — 英语填空题
题目
周末，Liu Tao 拿着家里的合影向同学介绍家人。请根据人物性别，用 She's 或 He's 补全句子（每词限用一次）：1. This is my mother. ___ my mother. 2. This is my father. ___ my father. 3. This is my sister. ___ my sister. 4. This is my grandfather. ___ my grandfather.