题目

--- ____ was it ____ they discovered the entrance to the underground palace? --- Totally by chance. A. What, that B. How, that C. When, how D. Where, that 答案：B 解析: 首先根据回答totally by chance可知，问句是问有关方式的问题，故第一空应填how；其次，问句是强调句型的一种特殊疑问句形式，强调的是方式状语how。故选B。

查看本题答案和解析