What's Doudou's father doing、What's Doudou's mother doing、What's his brother 还有一句：What's Doudou doing

What's Doudou's father doing、What's Doudou's mother doing、What's his brother 还有一句：What's Doudou doing
What's Doudou's father doing、What's Doudou's mother doing、What's his brother
还有一句：What's Doudou doing

What's Doudou's father doing、What's Doudou's mother doing、What's his brother 还有一句：What's Doudou doing
豆豆的父亲在干什么?
豆豆的母亲在干什么?
豆豆的哥哥在干什么?
豆豆在干什么?

豆豆正在做什么？be doing是表进行时，译为“正在做某事”