国家开放大学 / 综合英语(2)
正确率:100%
If you _ _ _ _ _ _ him yesterday, you _ _ _ _ _ _ _ what to do now.
a.had asked, would have known
b.asked, would know
c. had asked, had known
d.had asked, would know
a.had asked, would have known
b.asked, would know
c. had asked, had known
d.had asked, would know
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