问题 填空题 把下列单词分类。1. the Great Wall 2. Niagara Falls 3. Washington4. Palace Museum 5. Ottawa 6. Statue of Liberty7. New York1. China: 2. Canada: 3. U.S.: 答案 China: 1, 4 Canada: 2, 5 U.S.: 3, 6, 7
