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

34．—Your colleague's spoken English is beautiful, Lily．

       —It's no wonder．She ____ in the USA for a year as a visiting professor．

       A．worked         B．has worked   C．had worked          D．has been working

—Your colleague's spoken English is beautiful, Lily．

       —It's no wonder．She ____ in the USA for a year as a visiting professor．

       A．worked         B．has worked   C．had worked          D．has been working

—Your colleague's spoken English is beautiful, Lily．

       —It's no wonder．She ____ in the USA for a year as a visiting professor．

       A．worked         B．has worked   C．had worked          D．has been working

—Your colleague's spoken English is beautiful, Lily．

—It's no wonder．She ____ in the USA for a year as a visiting professor．

A．worked         B．has worked      C．had worked           D．has been working

34．—Your colleague's spoken English is beautiful, Lily．
—It's no wonder．She ____ in the USA for a year as a visiting professor．