—Look, the paint is starting to come off ______ the wall is damp. —Well, we’d better have the wall r...
2022-11-04 21:33:19 72次 2014-2015学年广西玉林市博白县高三下学期返校调研考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Look, the paint is starting to come off ______ the wall is damp.
—Well, we’d better have the wall repainted some day.
A. when B. once
C. if D. where
本题链接：
