Is this your brother?Yes,it is.请问这句中为什么用it,而不用he?

is this your brother?如何回答? Is this your brother?(做否定回答) This is your brother.中文是什么 Is this your brother?这个问句有几种回答? this your is brother's book 连词成句急 1 your is brother short this ruler for怎么连成一句话 This new scarf is for your brother改同义句 is this your brother?的回答与is this girl your sister?的回答的区别 What is your brother? Is your brother Mike?Is Mike your brother?Is this your brother?A、Yes,he is.B、Yes,it is.Is this的回答it is最好,其他呢三个句子的答案 Is this boy your brother?(做肯定回答)是Yes,it is.还是Yes,he is. 为什么Is this your brother?回答是yes,it is 不是yes he is.为什么Is this your brother?回答是yes,it is 不是yes he is. 而 Is this your sister? 回答是yes,shi is is this university()your elder brother will choose this year?为什么用the one Is this your brother?What`s______name?A.her B.his C.your （Is this suit your brother?）等于（Is this suit your brother's?） 我知道这里的brother's是名词所有格,可相当于形容词或名词,而your后面跟名词,请问将上面的Is this suit your brother's?写成Is this suit your brother her brother is it your brother's 找出句中错误：Is this your brother No,he isn't.Is this your brother No,he isn't. is this book your ________(brother) ____（pick)the flowers,please.1.is this book your ________(brother)2.____（pick)the flowers,please