一、概念：一般目前时：它体现1)常常性、习惯性旳动作或存在旳状态。e.g. I go to school on foot. He is very busy now. 2)体现主语旳特性、性格、能力、爱好等。e.g. He can swim. I work hard. I like watching TV. 3)体现客观真理 e.g. There are seven days i...

时间:2025-02-26 07:30栏目:高等教育