It is +形容词性物主代词或名词所有格+birthday. It's his birthday. It's Tom's birthday. 再问： 是October还是Su Hai”s还是in the morning还是it”sTuesday和I”d like a mask 或者这几个的答句是什么 再答： 如果是问时间,就用When When is your birthday?回答用具体的时期. 再问： 啊 看不懂 能不能简单点 再答： When is your birthday? My birthday is May 1st. 再问： 算了还是采纳你吧，看不懂啊，谢谢
