改复数句如this gift is for youhe is a policemam

改复数句如this gift is for youhe is a policemam this is an orange改复数句 This dress is mine改复数句 this is my knife改复数句 Is this a plane?yes,it is 改复数句 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 this stamp is for me(改为复数句)如题, 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 This is an English book(改为复数句）怎么改 is me a from this gift small连词成句 连词成句：this,is,for,plane,the,you,gift 英语 改复数句This is a pen.Is this your backpack?It's a black bag