Zhouqu, Gansu was attacked by such a terrible mud-rock flow few residents

题干

Zhouqu, Gansu was attacked by such a terrible mud-rock flow few residents had ever experienced before.

A．as

B．which

C．where

D．that

上一题下一题 0.64难度单项选择更新时间:2011-05-20 02:27:04

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