With an assertive, non-assertive or negative word: (1)If you're

With an assertive, non-assertive or negative word:
(1)If you're ____ in Shanghai, do give me a ring. (2)Surely ____ knows where the documents are.
【正确答案】：still: no one
【题目解析】：【考点点击】本题考查肯定词和否定词的使用。【要点透析】 stillno表示强调肯定的状态。 one相当于 nobody,意为“没有人”,其后的谓语动词用单数。