在过去几十年里,政府采取了各种措施防止灾害发生。
在过去几十年里,政府采取了各种措施防止灾害发生。
A.In the past few decades, the government has taken various measures to prevent disasters from happening.
B.In the past few decades, the government has taken various measures to prevent disasters.
正确答案:In the past few decades, the government has taken various measures to prevent disasters.