问题
选择题
I don’t know the reason you were late for the meeting, but I’m sure someone will tell me you don’t want to explain.
A．why; that
B．why; what
C．for which; which
D．for which; that
答案
答案：B
第一空，考查定语从句，先行词为the reason，从句中缺少原因状语，所以用why/for which，第二空考查名词性从句中的宾语从句，explain 后缺少宾语，所以用what，故选B。