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 1st.
4. A:_______________________________?
B: Today is November 4th.
5. A:_______________________________?
B: My birthday is in winter.