__________________?yes,his birthday is in december.
问题描述:
__________________?yes,his birthday is in december.
答
Do you know when his brithday is?
你知道他的生日是多少吗?
因为答句中用的yes,所以我们用一般疑问句的句式将问题(他的生日是多少)引出来就可以了.