问题
选择题
Had the weather been good, the children ____ out for a walk.
A．had gone
B．could have gone
C．would go
D．went
答案
答案：B
考查虚拟语气及省略。这是一个与过去事实相反的虚拟语气，结构为： if +主语+ had done, 主语+ would/could/might + have done,从句中if省略，助动词had 提前，所以此题选B。