Question

“Underground” is the only word in the English language _____ begins and ends with the letters “und”.

A．what

B．that

C．who

D．whom

Answer 1

B

试题分析：句意：在英语中“Underground”是唯一一个开头和结尾都用字母组合“und”的单词。此处先行词word有不定代词the only来修饰，故用关系代词that来引导。 故选B。