为什么只能写No,it isn't不能写No,it is not

为什么只能写No,it isn't不能写No,it is not no,it isn't Are these your a set of keys?这个句子对吗,可以这样问吗,还有就是Is this her book?的回答为什么只能是No,it isn't.而不能是No,it is not. Is Green a first name?__________ A:Yes,it is.B:Yse,he is.C:No,it isn`t.D:No,he isn`t.写分析 根据No,isn't.I thank it's his baseball写问句 Is this Daming?a) Yes,he is.b) No,he isn`t.c) Yes,it is.为什么不能选 b) yes it is和yes she is的区别为什么书上写的是 isn't the girl LIly?No it isn't.that is her twin sister.这里不是应该说NO she isn’的吗?到底什么时候用it什么时候有she? no,she isn't there.根据答语,写问句 Is Bob your brother?A.no,it isn't.B.no,he isn't.C.no,she isn't.选择哪个更恰当 为什么啊 …… Is this her notebook?(选择正确的答案)A.Yes,this is.B.No,it isn't.C.No,it is not.要写原因 为什么PPT2003不能写字,只能写英文,不能写汉字 no it isn't 的复数形式 no it isn t.的中文意思 No it isn’t 怎么读 no,it isn't （I） No,it isn’t.和 It is not.No,it isn’t.和It is not.It is not Bill’s dictionary.能不能改成 it isn’t Bill’s dictionary.可不可以呢,若可以为什么呢? Is this your pen ? 答案是 Yes , it is.为什么No,it isn't.不对?谢谢 is this your watch?为什么回答no, it isn't.it's her wa