I have an eraser同义句

I have an eraser同义句 Many I have an eraser?的同义句 i have an eraser.改为否定句 I have an eraser in my hand .(改为同义句） 同义句转换：I have no eraser.I have （ ）（ ） eraser. I have an eraser in my hand.改为同意句 she buys me an eraser同义句 I have an eraser改为特殊疑问句 I have a ruler ahd an eraser.(改为否定句） I have an eraser 对an eraser提问一定过要写过程 I have an new eraser.哪里错了 英语中,同样表示数量1的a和an该怎样区别?比如:I have a pencil.:I have an eraser.(这句可能不对,不看也罢):The teacher erases the sentence with an eraser. Do you have an eraser?Yes,I do.I only have a small. I have-----pen and ----eraser.1、a；a 2、a；an 3、an a ：Do you have an eraser?he asked me.改为复合句 he asked me do i have an eraserhe asked me---an eraser 3个空 填单词 1.Kate doesn't have an eraser .（同义句）Kate _____ _____ _______.2.He doesn't know.（同义句）He ______ ______ ______.3.He has many erasers.(对 many erasers 提问） 1.Kate doesn't have an eraser .（同义句）Kate _____ _____ _______.2.He doesn't know.（同义句）He ______ ______ ______.3.He has many erasers.(对 many erasers 提问） Is that your eraser?(改为同义句）Is----------eraser-----------?