改错 急急用 谢谢Last term I joined in a geography research group.Ou
改错 急急用 谢谢 Last term I joined in a geography research group.Our topic is environmental pollution and protection.We took a variety of picture showing the present living conditions of our city.
Last term I joined in a geography research group.Our topic is environmental pollution and protection.We took a variety of pictures showing the present living conditions of our city.
Last term I joined in a geography research group.Our topic is environmental pollution and protection.In order to show the present living conditions of our city, we've taken a variety of pictures.