this is my friend.______ name is robert求大神帮助

this is my friend This is my friend,John. this boy is my friend this is my friend jane Is,new,this,my,friend(.) This is my friend This ( )( )my friend(改为否定句) This is mine friend or This is my friend why? this is my my friend(变复数) 英语翻译My friend is the kindest person __ __. This is my friend.She is quiet This is my friend.These are my friend. My friend Sonia is from Australia.改为否定句：My friend Sonia __ __ from Australia. This is my own bag.=This is a __ __ __ __ This is my friend 改为复数形式 This is my friend是什么意思快 This g____ is my friend,AMy, This litter is ( )my pen friend Tony this is my friend改为疑问句