Does your mother have a sisther?your不是第二人称吗?为什么不用Do而用Does,Does不是只用于第三人称单数吗?

What does your mother where does your mother what does your mother do? Where does your mother work? what does your mother do? Does Your Mother Know 歌词 Does your mother want flowers? Anna,does your mother work? Anna,does your mother work? what does your mother do? where does your mother work? how does your mother go to work? what does your mother do?_______________________ What does your mother like?的意思 What does your mother do?怎么回答 do,mother,does,what,your?组成句子 Does your mother like flowers?怎么回答 What does your mother look like?是什么意思? What food does your mother like? what does your mother do同义句