—Has David finished his project yet? —I guess not. He on it at lunchtime. Do you want me to confirm ...
2023-02-01 23:53:38 117次 2014年初中升学考试（江苏无锡卷）英语（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Has David finished his project yet?
—I guess not. He on it at lunchtime. Do you want me to confirm it?
A.is working B.was working
C.has worked D.had worked
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