英语句型单复数转化
问题描述：
英语句型单复数转化
his birthday is january 18th ,and his father's birthday is too january 18th
my father don't konw Mr wu's phonenumber
(是单数化复数 ,是复数化单数）
答
1,His birthday is January 18th ,and his father's birthday is january 18th too.
2,My father doesn't konw Mr.wu's phone number.