my,is,this,and,that,ruler,my,pencil,is怎么连词组句

This is my pencil ,and that is your.改病句 this is my pen.and that ruler is () too. This is my beb and that's my desk.Look,this is my new computer. This is my friend,and _____ is Danny.a this b that is my ruler and that his book is (.)that 是 this my,is,this,and,that,ruler,my,pencil,is怎么连词组句 is,too,that,pencil,my,and) (is,case,yellow,this,a,pencil(is,too,that,pencil,my,and) (is,case,yellow,this,a,pencil)连词成句 This is my brother and that are my parents是否正确 is this friend and my that brother his is连词成句 Hello,Tony!_______ my brother and sister A.This is B.That is C.These is this my pen and that pen your is 怎么连成句子? that ,uncle ,this ,and,is,my,is,his,aunt.[连成句子] This is my notebook and that is his notebook（改同意句） This is my book and that is your book.（改为同义句） This is my book,and that is his book(改为复数句） This is my father and my mother This is my mother and this is my father.(同义句转换）That is my father.(变为否定句） This is bod and that is ( )watch .