D 我们将举办班会来投票选举班长.to vote for our monitor 为不定式短语做目的状语.
类似用法如：I will call you to tell the result.我会打电话告诉你结果的.
voted 投票 常用搭配为 voted for 投票赞成、投票选举；voted on 就...投票
Did you vote for him?你投了他的票吗?
We are going to vote on the plan.我们打算就这一提案进行表决.