Is your mother and you fine?为什么不用are?为什么要用is?改成陈述句我觉得and连接的是两个不同的主语,就应该用are啊.

and is that your mother的答句 Who is that girl ( ) your mother and father your father is a cook .And your mother?同义句转换,Your father is a cook._____ _____your mother? What is your mother what is your mother? Where is your mother? who is your mother Is your mother是什么意思 Is your mother thin? is your mother in Is your mother thin? Is your mother in? what is your father and mother doing?和what are your father and mother doing?哪个句子正确? Who isn't your sister and isn't your brother,but is still a child of your mother and father? your father and your mother are your_____ is,mother,your,doing,what What is your mother?回答 How old is your mother?