what is this?改复数句 This is a book.改一般疑问句 These are feet 对feet提问 These are eyes.单数句

this is an orange改复数句 This dress is mine改复数句 this is my knife改复数句 what is this?改复数句 This is a book.改一般疑问句 These are feet 对feet提问 These are eyes.单数句 what's this?It's window.改复数句 Is this a plane?yes,it is 改复数句 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 my shirt.改为复数句怎么改 改句 whose story book is this?(复数） is,this,adOII?改为复数句,怎么改? is this a boy or a girl改复数句 英语句的复数形式What is this?It is a desk.改为复数形式 改为复数句:1What is this in English?2What is that in English? 改复数句如this gift is for youhe is a policemam this is my cousin 改复数句子 this is an eraser 改复数 This is a garden改复数 this is a ruler.改复数