为什么是Where does your pen pal come from,而不是Where do your pen pal come from?you 不是第二人称吗?为什么用does?

为什么是Where does your pen pal come from,而不是Where do your pen pal come from?you 不是第二人称吗?为什么用does? where does your mother where is your hometown为什么是is your mother为什么是第三人称单数?加does?为什么是does your mother？your mother为什么是三单？ where does your father work? 为什么是 does 不是do?为什么是work不是works?为什么是 your 不是youread lesson two,please 什么意思?what does she do 为什么是does不是do?彻底晕了,那位高手指点一下 不要一篇很长很 Where does your mother work? where does your uncle live? 她住在哪儿的翻译为什么是where does she lived?为什么不是where is…? where does your father work?答句 does ,where ,your,work,brother,组词成句 Where does your mother working now Where does your uncle I ______? where does your friend lives?为什么? Where does your friend play with you? Where does your uncle work?(汉语） where does your feiend live?怎么回答 同意句：Where does your grandpa live Where does your cousin l____.Help!