欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

Xi’an was          starting point of       world famous Silk Road.

       A．/; /                      B．a(chǎn); a                     C．the; /                   D．the; the

As is known to all ,Xi’an was       starting point of      world – famous Silk Road.

A．/; /    B．a(chǎn); a  C．the; /       D．the; the

As is known to all ,Xi’an was       starting point of      world famous Silk Road.

A．/; /                  B．a(chǎn); a                  C．the; /                   D．the; the