根据句意及汉语提示完成单词。 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. |