He ______ busy yesterday, or he ______ you with your experiment. A．was; had helped B．was, would have...
2022-12-20 05:33:43 31次 2014届陕西省高二上学期期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He ______ busy yesterday, or he ______ you with your
experiment.
A．was; had
helped B．was, would
have helped
C．had been;
would have D．were; would
have helped
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