请英语高手帮忙翻译几个句子.（汉译英）谢谢啦 这是我需要完成的几道翻译作业

The girl was found lying on the ground, barely alive. Her parents very regret did not take better care of their daughter.
Although the exam I fall behind, I’m not discouraged. I think that as long as I put effort into study, I will make progress. After all, he laughs best who laughs last.
I’m studying hard and my brother burst in. Before I could say anything, he had left hurriedly. Unfortunately, he was running so fast that he fell over.
Not only the Chinese people, but the foreigners know that common saying, “He who doesn’t reach the Great Wall is not a true man.”
Wow, what a nice day. We all think the weather is good to have a picnic, isn’t it? In such weather why not close to nature?
As a student, you shouldn’t waste your time with Internet. You’d better treasure every moment you have, or you’ll regret it later on.
I used to live in Beijing. Beijing is really worth living. Great changes have taken place in Beijing since the policy of reforming and opening.
Zhang Lei is a helpful student. After the earthquake, he saved eight classmates. Later, he was too tired to save for some more lives. His deeds touched quite a lot of people. We were determined learn from him. Try to help others from now on.
Dropping litter is bad manners. The teacher often tells us do not litter. A little girl was on her way back home. She found there is so much garbage before a roadside dustbin, so she picked up litter and threw them into the trash can.
When Newton was 23 years old, one day he sitting under an apple tree reading a book. Suddenly saw an apple fall off the tree. The apple just landed Newton thought of the law of gravity. But he was not proud. He said that if I have seen further than most men, it is by standing on the shoulders of giants.
Children can get much allowance for every Chinese New Year. One third of all children will spend the money on snacks. More than half the kids do not know how to use pin money. The next several years, we’ll teach our children how to deal with money correctly.