(     )1.A.You're welcome. 
          B.I'm sorry to herar that.
          C.The same to you.
          D.You must look after yourself.
(     )2.A.Yes, there are.
          B.Yes, there is.
          C.Yes, it is.
          D.It's mine
(     )3.A.He's over there
          B.It's over there
          C.It's far away. 
          D.It's at school.
(     )4.A.Yes, they are. 
          B.No, it isn't.
          C.Yes, there is.
          D.Why not watch TV?
(     )5.A.Thanks a lot.
          B.All right. 
          C.That's all right.
          D.Thank you all the same.