this is apen(改复数) 2.those are my choes(改否定句) 3.what's mr fang (改同义句)

this is apen(改复数) 2.those are my choes(改否定句) 3.what's mr fang (改同义句) this is an orange改复数句 this is my cousin 改复数句子 this is an eraser 改复数 This dress is mine改复数句 This is a garden改复数 this is my knife改复数句 this is a ruler.改复数 Is this a plane?yes,it is 改复数句 this 改复数 this is my uncle 改写成复数形式怎么写. This is my shirt.改为复数句怎么改 改句 whose story book is this?(复数） This is a bottle of milk.怎样改写成复数? This is his pencil-box.改为复数句子怎么改? This knife is his.怎么改复数形式的句子? is,this,adOII?改为复数句,怎么改? is this a boy or a girl改复数句