Ⅰ. 根据句意及首字母提示完成单词(3分钟,10分)
1. He was p______ that his son won the match.
2. The horse was p______ a cart.
3. Mr. Wang is 1. 8 metres t______.
4. The p______ of China is much more than that of America.
5. Can you make a p______ airplane for me? I want to play with it.