他宣布有意在即将到来的选举中竞选警长。

He announced his intention to ___run for sheriff in the upcoming election.

在竞选市长期间，他专注于改善公共交通。

While ___running for mayor, he focused on improving public transportation.

她是她党派中第一位竞选总统的女性。

She is the first woman from her party to ___run for president.