日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

_______ the boy was walking down the street，the UFO landed．

A．Why          B．Where            C．While          D．Whenever

________ the boy was walking down the street，the UFO landed．

[　　]

________ the boy was walking down the street，the UFO landed．

[　　]

         tile boy was walking down tile street，the UFO landed．

A．While           B．After             C．Before             D．a(chǎn)go