They two free tickets to Canada otherwise they’d never have been able to afford to go. A

问题补充：

They two free tickets to Canada, otherwise they’d never have been able to afford to go.

A. had got

B. got

C. have got

D. get

答案：

A. had got

(答案→)B. got

C. have got

D. get

解析：

B。句子前半句讲的是过去的事实，用一般过去时; 后半句讲的是对过去情况的假设，故用了would never have been这样的形式。