例句：
1、'What are you doing here at this time on a Sunday morning?'
大禮拜天這個時候您在這兒幹嗎？
2、And besides, Missy, what are you doing out here without your shawl?
另外，姑娘，妳光著肩膀在這兒幹什麽？
3、If you “ push a product ” in English, what are you doing?
如果妳用英語“推銷壹種產品”，妳會怎麽做？