急！帮忙翻译下这几个句子，

我们认识到英语的重要性
We know the importance of English.
We are everything gone.什么去了…

我现在确实不知道怎样处理这个问题
I really do not know how to deal with this problem.
…
一到北京，他就去看望了他的老师
He went to see his teacher as soon as he arrived in Beijing.
他以前有点懒，但现在很努力了
He was a little lazy before,but now he is diligent.
他们总是没日没夜的工作
They always work all day and all night.