我来告诉你。逗号不能连接两个
简单句。例如，He raises a dog，I like the dog very much. 这是个病句，因为
英语语法中的简单句必须用
并列连词and, but, or, so等连接。如果你想连接也可以，可改为：He raises a dog，and I like the dog very much. 或者He raises a dog and I like the dog very much. 或者直接用两个简单句，互相没关系就成：He raises a dog. I like the dog very much. 希望对你有帮助。