Is that your mother为什么Is要在that的前面.This is your mother/is在thi

Is that your mother为什么Is要在that的前面.This is your mother/is在thi Is that your mother?答语 is this your mother This is your mother Is this/that your mother?提问什么回答急! Is that your mother 肯定回答 --Is that your mother?--____.A.No,that is.B. Is this w_____ your mother? Is that your mother ,Dave Yes ,it is.为什么要用it 呢 wang bing,is that your mother purse 怎么错的? and is that your mother的答句 is this your mother?yes,she is