the government has (taken a lot of measures) to reduce traffic accidents.(对括号部分提问)____has the government_____to reduce traffic accidents?

the government has (taken a lot of measures) to reduce traffic accidents.(对括号部分提问)____has the government_____to reduce traffic accidents?
the government has (taken a lot of measures) to reduce traffic accidents.(对括号部分提问)
____has the government_____to reduce traffic accidents?

the government has (taken a lot of measures) to reduce traffic accidents.(对括号部分提问)____has the government_____to reduce traffic accidents?
What done

What should

What done
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what has the government done to reduce traffic accidents？
为了减少交通事故，政府做出了什么？