1、Is that her schoolbag?——No,that isn't.改错 2、Is this your wa

1、Is that her schoolbag?——No,that isn't.改错 2、Is this your wa is this your watch?为什么回答no, it isn't.it's her wa is that your schoolbag no it is————A.my B.his C.her 1 it is my pen.2 this is her uncle.3 that schoolbag is mine. this isn't your ruler that ruler is------------he her hers i — Is this your computer game — No,it isn't.可不可以用No,this isn' Is this/that a/an?.. Yes,it is./no,it isn't.2Are these/those Is this/that your sister 的答语是Yes,it is./ No,it isn’t 为什么要用it 1人同问 Is this/that your sister 的答语是Yes,it is./ No,it isn’t 为什 单词改错：1.are these your sister ()2.is this dave?no he isn't.() Is this your grandfather?回答这个问题：1 No,he isn‘t.2 Yes,it is.He Is ____ your backpack No,it isn't .My backpack is big.That o