题目：
根据答语写出问句。
1. —_______________________
—My birthday is July 8th.
2. —_______________________
—I'm fourteen.
3. —_______________________
—My sister's birthday is August 16th.
4. —_______________________
—The party is December 24th.
5. —_______________________
—My mother is thirty-nine.
答案：
1. When is your birthday?
2. How old are you?
3. When is your sister's birthday?
4. When is the party?
5. How old is your mother?
(答案不唯一)
