Is your father 's birthday in May?为什么不用does开头,用is

Who's this____ ?Is he your father? You father's brother is your() Is your father`s birthday on National And when is your father's birthday? your,what,father's,name,is You father's w______ is your mother. My father is a doctor.What's your father?(改为同义句) My father is a doctor.()()your father? is your father's son your uncle?是啥意思 Is she your father's sister,your( )Alice? son your is father your gradfather's 连词成句 Is your father's lifestyle the same as your father's( )different? Your aunt is your ________()Your aunt is your ________.（ ） A 、father’s sister B 、mother’s sister C 、mother’s father D 、father’s mother Is that your father's.dictionary?Yes,it's（） your father's or mother's sister is your____? what's your father What's your father? Who s your father What is your father 's hobby?同义句