-Is this your brother?-Yes,he is.为啥错了呢?为什么非得是-Yes,it is.

-Is this your brother?-Yes,he is.为啥错了呢?为什么非得是-Yes,it is. 为什么Is this your brother?回答是yes,it is 不是yes he is. Is this your brother?的回答为什么是,Yes,it is.而不是Yes,he is.我有点糊涂 Is this your brother?Yes,it is.请问这句中为什么用it,而不用he? "Is he your brother?的回答是Yes,it is.还是Yes,he is?如何区别? is this your broter 用Yes,it is .还是Yes,he is.书本上的是Yes,it is.但 is this your brother 回答 yes,it is “Is this your uncle?" 回答是"yes,it is 还是yes,he is." Is this your son?答案是Yes,he is.还是Yes,it is. Is that your brother? Yes,﹍﹍. PS：是填 it is,还是填 he is. ? Is this your brother,Jack?___________ A yes,it is B yes,she Is he your brother?Yes,( ) No,( )