CHOOSE THE APPROPRIATE SENTENCES TO FILL IN EACH GAP TO COMPLETE THE FOLLOWING CONVERSATION
 A:Goodbye everyone! (1)..........................
 B: Where are you going?
 A. To Australia. (2) ......................................
 C. When are you coming back?
 A:Well.(3)....................................
 B. It sounds great!(4)...............................
 A. Thanks(5).................................................
              a. I'll send you portcasds.
              b. we're going on a two-week tour of Australia
              c.I'm talking my family to visit the Great Barrier Reef
              d.I'm going on holiday
              e.Have a good time!