问题补充:
The reasonhe was late was he missed the train.
A. that; why
B. that; that
C. why; that
D. why; why
答案:
A. that; why
B. that; that
(答案→)C. why; that
D. why; why
解析:考查定语和表语从句,第一空填why,引导定语从句,修饰the reason,定语从句中缺少原因状语,第二空是that,因为主语是the reason时,表语从句用that引导,句意是:他迟到的原因是他错过了火车。选C。