－ I don't understand why you didn't go to the lecture yesterday afternoon. － I'm so sorry, but I ___...
2022-09-14 05:16:26 92次 北京市2018-2019学年高一上学期期中考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
－ I don't understand why you didn't go to the lecture yesterday afternoon.
－ I'm so sorry, but I ________ my homework.
A. have done B. am doing
C. would do D. was doing
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