题目内容：

完成句子

1.数以百万的人在二战史诗去了他们的家园。

           people lost their homes during the Second World War.

2.许多种类的动物因为水污染而灭绝。

Many kinds of animals            because of water pollution

3.远离毒品，真爱生命！

From drugs           , cherish your life.

4.自然界中有许多动物正处于危险中

There are many kinds of animals               in nature.

5.世界上越来越多的人在学汉语

           people are learning Chinese all over the world