网址：http://m.1010jiajiao.com/timu3_id_3257728[举报]
Answer the following question
When is your mother's birthday?
________________________________
选择正确答案
--When is your mother's birthday?
--It's ____ December 10.
A. in B. on C.of
根据图示，填空
--It's on ______ ______.
Answer the question（回答问题）
________________________
