1.He was so surprised at being discovered that he did not even try to run away.(改为简单句)2.After he was arrested,the man admitted hiding in the box before the plane left London.(改为简单句)3.He was astonished at what he found.(改为简单句)Thank you for your help.第2题中的arrested意思是:逮捕(过去式)第3题中的astonish意思是:使惊讶

1.He was so surprised at being discovered .
He did not even try to run away.
2.He was arrested.
The man admitted hiding in the box before the plane left London.
/1.He did not even try to run away at being discovered.
2.The man was arrested for admitting hiding in the box before the plane left London.
3. He was astonished for his foundings.
/. He was surprised to be discovered not to try to run away.
2. The man was arrested for admitting hiding in the box before the plane left London.（新概念2吧？）
3. He was astonished by his foundings.

1.He was so surprised at being discovered .
He did not even try to run away.
2.He was arrested.
The man admitted hiding in the box before the plane left London.

1.He did not even try to run away at being discovered.
2.The man was arrested for admitting hiding in the box before the plane left London.
3. He was astonished for his foundings.

楼上的搞错了吧，是变简单句
不是分成两个句子

1.He was surprised to be discovered not to try to run away.
2.The man was arrested for admitting hiding in the box before the plane left London.（新概念2吧?）
3.He was astonished by his foundings.

1He was too surprised at being discovered to try to run away.
呵呵,所学的知识有限(我才初3),就做了这道,希望能帮你

What he found made him astonished.