家庭成员称呼 — 英语词汇题
题目
Mike 正在写一篇介绍家人（family）的小短文。请根据首字母和中文提示补全单词，每空一词。
1. My f______ and my m______ are teachers.（父亲；母亲）
2. This is my grandf______（爷爷）. He is my father's father.
3. My s______（姐妹）is only four years old.
4. My g______m______（奶奶）likes cooking.