根据汉语完成句子。
1. 他像一只猴子,因为他很聪明。
He a monkey because he is very clever.
2. 过去曾经有很多非洲象。
There many African elephants.
3. 据报道有六万人在汶川地震中遇难。
It that over 60,000 people lost their lives in Wenchuan earthquake.
4. 我们正在尽力阻止空气污染。
We're the air pollution,
5. 这条河大约有2000米长,6米宽,3米深。
The river is abour 2,000 meters ,six meters and three meters .