1.what are they talking ___________-?2.who are they talking

1.what are they talking ___________-?2.who are they talking What are they talking about? What are they talking about?() who,whom are they talking about? They are talking( ) They are talking now,. When are they talking? What are they ( ) A talking B talking about C looking What holiday are they talking about? They are talking now.(对talking提问) They talk ( ) a long time.what are they talking ( ) they are talking about what they can see ( ) windy weather