【推荐1】To help improve your writing skills, we have invited five successful writers to reveal some of the t________(诀窍) of the trade. (根据中英文提示填空）

【推荐3】Hoop rolling(滚铁环) is both a sport and a children’s game. The aim of the game is to keep the hoop upright for long periods of time, or to do various ________(技巧). (根据汉语提示单词拼写)