英语高手进来！！！

1自从我们制定了自己的班规，我们班拥有了一个良好的学习环境。
Since we set down the rule of our class,we have owned a good study environment.
2自从他离开这座城市，我们就再也没有见到过他。
We haven't seen him since he left the city.
3自那以后，我们在也没有给对方写信。
We haven't written to each other since then.
4他两年前搬到了北京，自那以后他就在那里工作了。
He has lived there since he moved to Beijing.
5我第一次见到凯特是在一次生日宴会上，自那以后我们就成了好朋友。
We have been good friends since I met Kitty at a birthday party for the first time.
6每日起床之后，他都喝一杯水，他认为这对他的身体有好处。
He always drink a glass of water after getting up.He thinks it good for his body.(形式宾语)
7毕业之后，他选择了去国外深造。
After graduation,he chose to go abroad to receive further study.
8看了《2012》这部电影之后，我很难让自己平静下来。
After seeing the movie 2012,I have great difficulty making myself calm down.
9把所有的东西都装进旅行包后，他就前往安全地去了。
He aimed at safety after putting everything into the tourism packet.(旅行包不太会)
10经过一番努力后，我终于通过了考试，我所有的亲戚都向我送来了祝贺。
I finally passed the exam with efforts,and all my relatives came to send me congratulations.