题目内容
按要求进行句型转换。
They are visiting their grandmother. (对划线部分提问)
________ ________ they doing?
答案:What,are
练习册系列答案
相关题目
题目内容
按要求进行句型转换。
They are visiting their grandmother. (对划线部分提问)
________ ________ they doing?