A．She met a high school classmate．
B．She found an old friend’s address．
C．She paid a visit to her high sch001．
D．She got in touch with an old friend．

A．Her friend’s family left for another city．
B．Her friend transferred to another school．
C．They had an argument and drifted apart．
D．They were too busy to write to each other．

A．He has lost touch with all of them．
B．He maintains contact with most of them．
C．He has regained contact with a few of them．
D．He keeps in touch with one or two of them．