根据答句写问句。
1. A:_____________________________?
B: My mother's birthday is in August.
2. A:______________________________?
B: No, my birthday is in December.
3. A:______________________________?
B: National Day is October lst.
4. A:_____________________________?
B: Today is November 4th.
5. A:_____________________________?
B: My birthday is in winter.