Had the weather been good, the children out for a walk．A.had goneB.could have go
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Had the weather been good, the children ________ out for a walk．
A.had gone
B.could have gone
C.would go
D.went
试题答案
B
与过去的事实相反。当if从句中含有were，had，should这三个词时，if可以省略，主谓倒装。