Is that your mother?答语

Is that your mother?答语 Is that your mother in the first photo?答语是Yes,she is.还是Yes,i is that your school的答语 is that your school的答语是什么? 当问句为"Is that your sister?"时,答语为什么? Is that your mother 肯定回答 --Is that your mother?--____.A.No,that is.B. Is that your brother?和Is he your brother?的答语有什么区别? Is this your mother?的答语是Yes,it is 还是Yes,she is 请说明原因 Is this your mother 的答语是yes ,it is 还是yes,she is 请说明原因 Is that your mother为什么Is要在that的前面.This is your mother/is在thi Is that your brother?No,he isn't.这个答语正确吗?