What they are talking about at the meeting __________ import

What they are talking about at the meeting __________ import what did they ( )about at the meeting? What are they talking about? What are they talking about?() What holiday are they talking about? They are talking about their plans for the sports meeting.(改 they are () the problem talking over talking about talking w What are they ( ) A talking B talking about C looking they are talking about the learning c____________ they are talking about the weather 翻译 What are they talking about?为什么不能省about? what the fuck are you talking about