国家开放大学 / 综合英语(2)
正确率:100%
If it _ _ _ _ _ _ _ last night, it _ _ _ _ _ _ very cold today.
a.had rained, would have been
b.had rained, would be
c.rained, would be
d. rained, were
a.had rained, would have been
b.had rained, would be
c.rained, would be
d. rained, were
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