The reason he didn’t e was he was ill.
A. why; that
B. that; why
C. for that; that
D. for which; what
网友回答
(答案→)A. why; that
B. that; why
C. for that; that
D. for which; what
解析：考查定语从句和表语从句。第一空使用why引导定语从句修饰先行词the reason，在定语从句中做状语；第二空that引导表语从句，在句中起连接作用，不充当任何成分，也没有任何意思。句意：他没有来的原因是他病了。故A正确。