Who are talking

are,Lise,talking,to,who,TIM,and? Who are Lisa and Tim talking ____? who,whom are they talking about? Who are you talking to?和Who are you talking with?有什么区别? 1.who are you talking with on the phone?2.who are talking wi 1.what are they talking ___________-?2.who are they talking Who are they talking to?to什么时候加?为什么加? Who are they talking about?Jill and I The twins are talking about the book Who Moved 连词成句 talking,they,are,about,who who are you talking to on the phone? to,who,talking,Lucy,and,are,Linda 连成一句