The Great Wall runs___northern ChinaA.through B.across我选的是B，是错误的。为什么错？答案A为什么是对的？以及这俩单词的不同和共同

Great wall the Great wall 翻译 翻译：the Great Wall the great wall 造句 The great wall The great wall mount Qomolangma什么意思 The Great Wall r___ China the Great Green Wall意思 英语作文the Great Wall 《the great wall》英语范文 This is the Great Wall. where is the great wall? The Great Wall中文意思 长城的英语单词是Great Wall还是the Great Wall The Great Wall is the____(long)wall in the world The Great Wall is the ()of China the Imperial Palace and the great wall How long is the Great Wall How wide is the Great Wall How old is the Great Wall the Great Wall(英汉互译） China is _______ the Great Wall