填空题 Susan is an （ ） person. We never know what she will do next.

填空题 It has not yet （ ） settled.

填空题 You should （ ） yourself with the knowledge you can acquire.

填空题 Traveling is full of （ ） .All you need is being brave.

填空题 Schools must meet the （ ） of new technology.

填空题 The sociologist studies the complex way in which people （ ） with each other at parties.社会学家研究人们在聚会时相互互动的复杂方式。

填空题 Astronauts want to （ ） the other planet that is suitable for human’s living.

填空题 Young people need to be given the （ ） to make a difference in the world.