Ⅰ. 根据句意及汉语提示完成单词（3分钟，5分）
1. Peter is from New York and he’s ____(美国人).
2. Yang Liwei’s _____ name (名) is Liwei.
3. My teacher is writing on the _____ （黑板）.
4. There are _____ （五十）students in my class.
5. Ma Lin plays table tennis very well. He is _____ （二十九） years old.
