Bob would have helped us yesterday ,but he_______________. A．was busy busy B．is busy C．had been busy...
2023-01-27 14:09:04 64次 2010年普通高等学校招生全国统一考试（安徽卷）英语 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Bob would have helped us yesterday
,but he_______________.
|
A．was busy busy
|
B．is busy
|
C．had been busy
|
D．will be busy
|
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