题目内容：

The Great Wall（ ）all over the world
The  Great  Wall（ ）all  over  the  worldA、knows     B、knew     C、is  known    D、was  known

优质解答

The Great Wall（C ）all over the worldA、knows B、knew C、is known D、was known
be known 为····所知
万里长城为世界所知,也就是说长城闻名世界.长城不但过去闻名,现在也闻名啊,我觉得用现在是比较好,所以选 C