U1 Text Additional Video.wmv watch the video clip and answer the questions below. 1. According to the video clip, which city is the greenest one in Asia? _______ 2. According to the video clip, which city is the top one eco-friendly city in the world? ______ A. San Francisco B. Helsinki C. Curitiba D. Copenhagen /js/editor20150812/dialogs/attachment_new/fileTypeImages/icon_mv.gif