She tried hard to keep calm in face of the students, but the sweat on her forehe
来源：网络
时间：
推荐文章
She tried hard to keep calm in face of the students, but the sweat on her forehead _____ her ____.
A. gave; away B. tuned; down C. showed; out D. shut; off
试题答案
A
解析:
句意：她努力地试图在学生面前保持镇定，但是她前额的汗水使她露了马脚。Give away: reveal露出了马脚；turn sb .down 拒绝；show sb.out带某人出去；shut sb.off使隔绝。