What ____ you ____ at this time yesterday? A. are; doing B. were; doing C. did; do D. have; done
2022-11-22 00:49:08 77次 2015-2016学年广东梅州梅江区实验中学初二下期第二次月考英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
What ____ you ____ at this time yesterday?
A. are; doing B. were; doing
C. did; do D. have; done
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