—Karen, I needed your help this morning, but you didn't show up. —Sorry, I _______ an important meet...
2022-06-14 20:22:08 106次 2018年河南省郑州市中考三模英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Karen, I needed your help this morning, but you didn't show up.
—Sorry, I _______ an important meeting when you called.
A.had B.have had C.was having D.have
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