Ⅰ. 根据句意及首字母或汉语提示完成单词（5分）
1. His son p______ not to play computer games at night.
2. The f______ mouth was too short to eat the delicious food down at the bottom.
3. I heard one of my ______（祖先）was a great writer.
4. I think you should ______（尊重）the ideas of others.
5. Xinhua Library is in the ______（中心的）part of our city.
