【推荐2】鉴于本次博览会的主题是促进文化交流，加强丝绸之路沿线国家的相互合作，所以敦煌是一个理想的会址。
________________ the theme of the Expo was ________________ between the countries along the Silk Road, Dunhuang was the ideal place.

【推荐3】提出问题是促进主动学习的最简单的方法。
Asking questions is the easiest way to________.

【推荐1】在中国做过多次的负责任的志愿者，我相信自己就是你们想要的合适的人。（分词做状语）
________for many times in China, I believe that I’m ________.

【推荐2】他们关上门走开了, 留下炉火在燃烧。 (leave; burn)
They shut the door and left, __________the fire in the stove __________ .

【推荐1】Mary became a lawyer ten years later. Her mother used to be a movie star.(用非限制性定语从句合并)

【推荐2】The activity raises our awareness of caring about nature. Its aim is to draw our attention to environmental protection.
→The activity, ________________, raises our awareness of caring about nature.
→The activity, ________________, raises our awareness of caring about nature.