请把下面残缺不全的短文补充完整！ I'm Rose. Today is Sunday. My family are all at home. I am(写作业). But my brother is
(写邮件). And my mother is(做晚饭). My father is(听音乐). My grandpa is.
(接电话).
doingmyhomework,writingane-mail,cookingdinner,listeningtomusic,answeringthephone
