this bike is my sister's.it belongs to （）她的这里为什么填her 不填 hers.her不是形容词性物主代词吗,后不是应该跟名词?

This is my friend 和 These are my sist 改成否定句怎么改啊,急... This is my bike.(复数) This is (my bike).括号部分提问 This is not my bike.____(I)is new. this is my new bike.I like __very much. This isn’t my bike.（）I is over there 把This is my bike改成否定句 This bike is mine.That one is my sister`s.Our bike are d____. the bike is my good friend.l like this beautifuf bike very怎么翻译 much. this is my own bike.同义句：this is ___ ___ ___ ___ ___. 英语在线问答_____you are teacher this is not_____bike.My bike is over there._____you are teacher.this is not_____bike.My bike is over there.不要误解了！ This is _____(she)bike is this her bike.复数 为什么whose bike is this?it is[ our teacher]而不是my teacher My bike is in my room/This is my umbrellaq/Isit mikes swabeg?他们怎样转换句型呢?急用. he is the owner of this bike he ---- this bike My bike is broken 句子成分 用所给词的适当形式填空：My bike is old.This is______(she).