By the time I got home, my parents _______ for half an hour. A. have left B. had left C. have been a...
2022-10-08 02:46:51 103次 人教英语九年级Unit 12 Life is full of the unexpected单元分段练习 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
By the time I got home, my parents _______ for half an hour.
A. have left B. had left C. have been away D. had been away
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