完成句子 根据中文提示，完成句子。我以前从来没见过这么美丽的山。
I have never seen such a __________________ before.要赶上现代社会的快速发展，人们不得不努力工作。
People have to work hard to _______________________the quick development of modern society.据报道新总统曾经是一个很害怕在公共声合演讲的人。
_______________________that the new president used to be afraid of speaking in public.参加你的生日聚会是我的荣幸。
It is my honor to _________________ your birthday party.我们期望王林将来能成为一名宇航员。
We expect Wang Lin to become an astronaut _________________.
When you're learning a new language， you can't be afraid to ，otherwise， you won't get very far． （出错）
is a problem in all places around the world —in developing and developed countries． （食品安全）
Whales are because some people make their ocean home dirty and others kill them for meat． （处于危险之中）
We will have a party in the classroom ． （后天）
Nowadays， many foreigners learning Chinese． （对……感兴趣）