Is that_________pencil sharpener?(you)

Is that_____pencil sharpener?(you) This is my pencil-sharpener.It is not( ).A.you B.your C.your sharpener 请问这句英语怎样解释:"Betty,is that you pencil sharpener in the lost a is,sharpener,the,what,English,pencil,for(?) What colour is the sharpener?同义句 here is your pencil sharpener.( ) ( ),jane. this is a pencil sharpener in english 对 pencil sharpener提问 This is my a pencil sharpener in English.对a pencil sharpener What is this?----This is a pencil sharpener改错 That is her pencil sharpener改复数句 is it pencil sharpener his 连词成句