高等继续教育 / 旅游英语
正确率:100%
题型描述: 单选题
Bob would have helped us yesterday, but he _ _ _ _ _ _ _ .
A.will be busy
B.had been busy
C.is busy
D.was busy
Bob would have helped us yesterday, but he _ _ _ _ _ _ _ .
A.will be busy
B.had been busy
C.is busy
D.was busy
参考答案:
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