帮帮忙 翻译这几个句子,英文从句,带有what that who whom which 这些

这个汉语都是短语啊,就翻译成英语短语吧.
一个正在教室里认真听课的女孩
A girl who is attending class carefully in the classroom.
一些我不得不马上处理的紧急情况
some emergencies which I have to deal with right now.
一条我要和你分享的消息
A piece of news which I want to share with you.
一座你可以借到各种书籍的图书馆
A libray from which you can borrow all kinds of books.
我们不能那样做的原因
The reason why I can't do so.
一栋前面有一排树的教学楼
A teaching building in front of which there is a row of trees.
一位用精神感动我们的英雄
He is an hero whose spirit touched our hearts.