Quizz drag & drop with lines question (7.x-6.0-alpha4) - en to unknown language translation catalogue (7 entries)

en: delete
target: 删除

en: Settings
target: 设置

en: color
target: 颜色

en: Background image
target: 背景图片

en: Correct
target: 正确

en: Correct answer
target: 正确答案

en: Quiz Question
target: 竞赛试题
