The villagers dug many tunnels _____ they could fight against the enemies. A．by_刷题宝

题干

The villagers dug many tunnels _____ they could fight against the enemies.

A．by which

B．through that

C．through which

D．to which

上一题下一题 0.64难度单项选择更新时间:2013-11-07 06:17:51

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