Not this my is pencil是什么意思

Not this my is pencil是什么意思 Is this your pencil?是什么意思? This __ (be not)my pencil case This not is my computer是什么意思 This is my pencil-sharpener.It is not( ).A.you B.your C.your Is this my pencil case?回答 This is my pencil.换成一般疑问句. 改为复句this is my pencil box this is my pencil的同义句 This is my pencil改成一般疑问句 This is not my pencil-box.____ is in the bag.A.My B.Mine C.M This is my pencil ,and that is your.改病句