题干
Fanny and Benny live in the ____ estate. They go to school ____ every morning. They are good friends. But they have ____ hobbies. Fanny usually reads books at home in his spare time, and Benny likes bicycling.
答案(点此获取答案解析）
same,together,different
有沉淀生成，加入
有气体生成的一组离子是（ ）
