帮帮翻译一下.......几个英语句子。

1.我以前从未见过这种动物。
I ( have ) never ( seen ) this kind of animal ( before ).
2.他的话表明他已经忘记他过去的生活了。
What he said ( declared )he had forgotten his past life。
3.你做的事让他生气了。
What you did ( made him angry ).
4.他在上海展览的画很受欢迎。
His pictures ( displayed ) in Shanghai are very popular.
5.一定要保持房间干净。
（ Be sure to keep ）the room clean.
6.这个警察的确目睹了这场事故的发生。
The policeman ( absolutely saw )the accident himself.
7.不管你把什么落在教室了，我们都要帮你找到。
（ Whatever ）you ( losed ) in the classroom, we'll help you find it.
最好把每题的答案原因也顺带告诉我一下。

1. I have never seen this kind of animal.
I ( ) never ( ) this kind of animal ( ).
2. He suggested that he had forgotten his past life.
What he said ( )he had forgotten his past life。
3. you do make him angry.
What you did ( ).
4. his paintings are very popular in the Shanghai Exhibition.
His pictures ( ) in Shanghai are very popular.
5. be sure to keep the room clean.
（ ）the room clean.
6. the police indeed witnessed the accident from happening.
The policeman ( )the accident himse
7. no matter what you fell in the classroom, we'll help you find.
（ ）you ( ) in the classroom, we'll help you find it.

1.have seen before
2.means that
3.made him angry
4.that showed
5.must keep
6.exactly saw
7.no matter what left