say sth.about ,就.来说点.
talk about 中间没有词,谈论what did they ___about at the meeting?_something about the volleyball game.what did they talk about at the meeting? (they talked about) something about the... 或者相当于they said something about the volleyball game.-----what did they ___about at the meeting?-----something about the volleyball game是用 say还是用talk