what is she doing这里为什么用is?

what is she doing这里为什么用is? what is she doing? What is she doing? What she is doing? 曲别? what is she doing in 为什么是what is she doing for vacation.而不是what does she do for vacation what is her job?改为同义句可否为what is she doing? What is she doing?翻译成中文 what is she doing?课文翻译是什么 What is she doing 怎么回答 what is she doing this morning? what are she doing ? she is dancing那里出错了 what's she doing?- she is s___ the floor What is your mother doing when it is raining?回答应该用什么时态?这里有几个选项：A.She is reading a book.B.She cooking some food.C.She usually stays at home.D.She is a teacher. what does she doing? What,s.she.doing? what ()she doing today? what she doing?英译汉 What is she doing?she is sleep.Whattime is it now?It is