If you really have to leave during class, you’d better leave____ the back door. A. for B. at C. by D...
2022-11-28 08:37:28 204次 2013-2014学年陕西省高三第五次适应性训练英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
If you really have to leave during class, you’d better leave____ the back door.
A. for B. at C. by D. out
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