【推荐1】According to the o________ figures, over two hundred people died in the hurricane. （根据单词首字母单词拼写）

【推荐2】Spanish is the main o______（官方的) language of Peru.

【推荐3】Putonghua is the o________ language of China, and it’s winning increasing popularity around the world. (根据首字母单词拼写)

【推荐1】They stared back, their b________face giving no clue as to what they would say next. （根据首字母单词拼写）

【推荐2】In France, a person encountering an i________ gesture may interpret it as meaning zero. (根据首字母单词拼写)

【推荐3】语境填空
1. Sometimes it may be helpful to use examples to explain________(抽象的) concepts.
2. The do's and don'ts________(传递) through gossip will never show up in any student handbook.
3. I was so frightened that I closed my eyes and________(拼命地) threw myself at that guy like a bullet.
4. Stronger bridges mean villages are less likely to be left without food and medicine after________(洪水)．
5. Developing the ability to________(评估) reasonably and independently about health problems will serve you well throughout your life.