So, there certainly may have been instances where only one person spoke during the meeting of the church. But, Scripture does not give us many of these examples. Instead, we primarily have examples of several people either speaking or having the option to speak when the church meets. Similarly, when teaching specifically about the church meeting, we are not instructed that only one person should speak, but that all should have that option. It seems that in general, even when one person primarily spoke during a meeting, and even when that person was an apostle like Paul, there was the possibility and probability that others would take part.
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