We are reading w__________ they are talking.

We are reading w__________ they are talking. They are talking( ) They are talking now,. When are they talking? They are talking now.(对talking提问) They are very excited talking. Are.they.talking(___)电话 What are they talking about? What are they talking about?() Are you talking about______(we) Are you talking about____(we) they are () the problem talking over talking about talking w