阅读对话,回答问题。
A: Excuse me, who's that man, Xiaohua?
B: He's my father.
A: Is that woman your mother?
B: No, she isn't. She's my aunt, Miss Liu.
A: Where's your Mum?
B: Look! She's in the car.
A: Oh,I see.
1. Where's Xiaohua's Mum?
2. Who's that man?
3. Is Miss Liu Xiaohua's Mum?