___ H1N1 flu from spreading, our government has taken some effective measures.A．_刷题宝

题干

___ H1N1 flu from spreading, our government has taken some effective measures.

A．Prevent

B．Preventing

C．Prevented

D．To prevent

上一题下一题 0.4难度单项选择更新时间:2012-08-07 11:06:02

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