Sorry, I would have come earlier, but I ______ that you were waiting. A.didn't know B.hadn't known C...
2022-08-05 10:44:05 214次 天津市滨海新区2019-2020学年高二上学期期末英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Sorry, I would have come earlier, but I ______ that you were waiting.
A.didn't know B.hadn't known
C.don't know D.haven't known
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