When we were young every evening my brother and I stay at home waiting for our mother to

问题补充：

When we were young, every evening my brother and I stay at home waiting for our mother to come back from work.

A. might

B. would

C. should

D. could

答案：

A. might

(答案→)B. would

C. should

D. could

解析：考查情态动词用法。Might也许；should应该；could可以；本句中的would表示过去常常做某事，强调现在可能还在做。句意：当我们年轻的时候，明天晚上我和哥哥和我都在家里等着妈妈下班回家。故B正确。