This is a red jacket为什么错误?

This is a red jacket为什么错误? This is a red jacket 对划线部分提问 a red jacket是划线的只有两个空. whose red jacket is this?it's is this a jacket this,black,a,jacket,is怎么造句?还有is,it,a,red,quilt This is a jacket in English.(提问） The ruler is red.(提问） She is in a red jacket. 1.This is an orange.(对an orange提问） 2.That is a red jacket.(对a red jacket提问）1.This is an orange.(对an orange提问）2.That is a red jacket.(对a red jacket提问）3.I'm fine.(改为同义句）4.My name is Kate.(对Kate提问）5.My 1.This is an orange.(对an orange提问） 2.That is a red jacket.(对a red jacket提问） 3.I'm fine.(1.This is an orange.(对an orange提问）2.That is a red jacket.(对a red jacket提问）3.I'm fine.(改为同义句）4.My name is Kate.(对Kate a red jacket 提问,什么this是提问 Look This is a pen and it's red .The ruler is yellow.The key is white and the red jacket is BOb's The jacket is red.改为同义句：This is____ ____ jacket. This is a jacket中a jacket来提问 This is a jacket in englishi 对jacket进行提问 连词成句,is,a,jacket,this This is a n开头的jacket, Is this a jacket?有错没有 What is this?This is a jacket 改错