1. They planned to _________ (组织) a scientific expedition.
2. Wang Yue was given an _________ (奖) to honor his achievement at the Astronaut Center of China.
3. Few _________ (幸存) after the flood.
4. Their sudden _________ (攻击) made us more aware of the danger around us.
5. Plain, simple clothes are _________ (适合的) for school wear.
