this is my family（否定句和一般疑问句和否定回答） he is a chinese boy(一般疑问句肯

您想要的答案是：
This isn't my family.
Is this your family?No,it isn't.
Is he a Chinese boy?
Yes,he is.No,he isn't.
Are you students?
Yes,we are.No,we aren't.
Is Tom from America?
Yes,he is.No he isn't.
不明白的再问哟,请及时采纳,多谢!