this isn't ____ball,It's is under the chair.A.mine;he;My B.my;his;my C.his;her;hisD.her;his;hers.说明原因,快

this isn't ____ball,It's is under the chair.A.mine;he;My B.my;his;my C.his;her;hisD.her;his;hers.说明原因,快 this just isn't This isn't just the This ( )of keys isn't this.补充 This ( )of keys isn't this.补充 英语翻译this isn't [ ] [ ] [ ] the lock. this just isn't working 为什么 I hope this isn't catching. This isn't your cue.英语翻译 This water isn't good to Don't worry.This isn't the f____result -Isn't this your hangbag -Yes,it is./No,it isn't.这句话怎么翻译? This isn't my brother 变复数形式 this isn t my grandparent改为复数形式 In fact, this is very good, isn't it This isn’t my bike.（）I is over there this isn't very interesting for most of us.翻译 is this you coat?yes,it isn't.