中翻英，我想知道会议是否已经开过了，结果如何？

I wonder if/whether the meeting has been held. And What's the result?

I wonder if the meeting has already taken place, and what the results are

may i know/i want to know whether the meeting was held? what about the result？

I would like to know whether the meetings have been held, and the results?

I am just wondering if the meeting have already finished . If so, what were the outcomes?

I wonder if the meeting has been done, and what is the result?