What are you doing for vacation 是个什么式〔例：现在进行式．过去进行式〕?结构是什么?为什么用〔ARE DOING〕 FOR VACATION 意思

what are you doing? What are you doing? what are you doing What are you doing? WHAT ARE YOU DOING? what are you doing? what are you doing和what you are doing区别 what are you doing now, what are you doing?翻译 what are you doing here what+are+you+doing是什么意思 What are you doing there? What are you doing there? what are you doing?today what are you doing中文 what are you people doing? what are you doing?译 Then,what are you doing