翻译。
1. 我们作为中国人而骄傲。
    We are _______ ______ being Chinese.
2. 在中国，泰安以泰山而闻名。
    Tai'an _______ ______ ______ Mountain Tai in China.
3. 我前几天才了解到新老板是谁。
    I _______ ______  who was the new owner a few days ago.
4. 当他听到这个好消息时，激动得无法入睡。
    When he heard the good news, he was too excited _______ ______ ______.
5. 你应该做的事情就是向我道歉。
    What you should do is _______ ______ sorry to me.