第1个回答 2013-12-23
there is no pencil or eraser on the desk.或者there isn't any pencil or eraser on the desk否定句要用单数
第2个回答 2013-12-23
There are no pencils or erasers on the desk.There aren't any pencils or erasers on the desk本回答被网友采纳
第3个回答 2013-12-23
Are there some pencil and some erasers on the desk ?