楼主求this is my pencil.改为一般疑问句并作否定回答，这算困难的问题吗？为什么无人问津呢？该不会是没悬赏吧？
Is this your pencil?
否定回答：No,it isn't.
肯定回答：Yes,it is.
Is this your pencil?
No,it isn't
is this your pencil？
no , this isnt.
问 is this your teacher？
答 No,it isn't
Is this my pencil? No, it isn't.
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024