import receive exchange
Joseph Helfgot,who was the child of Nazi concentration camp prisoners,grew up with an understanding of how precious and frail life could be.In his 40s,he was told that he would 1 [MASK]  a new heart--and when the long-awaited 2 opportunity  for a transplant finally arrived at age 60,he was aware of the possibility that he wouldn't 3 survive  the operation.