问题
单项选择题
The police carded out an ______ investigation, but the missing woman was not yet found.
A．exhausting
B．exhaustible
C．exhaustive
D．exhausted
答案
参考答案：C
解析： exhausting“令人疲乏不堪的”；exhaustible“用得尽的”；exhaustive“无遗漏的”；exhausted“耗尽的”。答案为C。