I am sorry to have kept you for a long time. A． wait B． to wait C． waiting D． to wait
2022-12-15 03:21:32 210次 2016届山东省九年级英语上学期期中质量检测试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I am sorry to have kept you for a long time.
A． wait B． to wait
C． waiting D． to wait
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