But when it came their turn to talk, their concerns proved somewhat different.
Given the closeness of the vote, the nonprofit groups' concerns proved well founded.
But stylistic concerns proved to be only part of the considerable challenge posed by the King biography.
As the following 75 years or so would tell, the King's initial concern would prove to be a considerably greater problem than the latter.
He must be more perplexed than ever why we are so selective now that concern for human rights has proved effective.
Those concerns have proved to be unfounded, so far at least.
Chelsea would do just fine, but my other concerns proved to be well founded.
These concerns proved to be ill-founded, however, as he was voted in on the first ballot.
In retrospect, such concerns proved to be well-founded, according to lawmakers and Administration officials.
In his speech, the mayor said critics' concerns had proved unfounded.