Sam今天来到Daming家做客，他们正在翻看Daming的相册。请根据他俩的对话，按要求完成下列各题。

Daming:Look, Sam! This is my big brother.

Sam:Oh, he's a driver.

Daming:Yes. He's cool. His name is Dagang.

Sam:Who's this little girl?

Daming:This is my cousin, Lanlan. She's a pupil. And she's a bit shy.

Sam:Who's this boy?

Daming:It's my friend, Taotao. He's very naughty.

Sam:Is this your mother?

Daming:No, it's my aunt. Her name is Wang Li. She's a nurse.

Sam:Look at this little boy! Is he your little brother?

Daming:No, it's me.