Mygrandfatherisaretiredworker．Onsummerevenings，hewouldgatherusoutsidethehousetoenjoythecoolair，（61）___（share）hisexperiencesbeforeliberation．At（62）___ageoffourteen，mygrandfatherworkedasachildlaborer

　　My grandfather is a retired worker．On summer evenings，he would gather us outside the house to enjoy the cool air，（61）___（share） his experiences before liberation．

　　At（62）___ age of fourteen，my grandfather worked as a child laborer in a coal mine．One day，he and his two workmates were working in the tunnel （63）___an unfortunate thing happened．A partof the tunnel fell down and they were shut in．They had no food （64）___（eat） in the tunnel．When they were hungry，they only drank some water．Because（65）___ was very cold there，they just hug one another in order to keep warm．They could hardly speak or move as a consequence of physical（66）___ （weak） and thought they would die．

　　After （67）___ seemed a long time，the tunnel was dug through and they（68）___ （rescue）．They had been trapped there for fourteen days!My grandfather said they weren't let out at once．If so they would have died．They were kept at the entrance to the tunnel （69）___it was very dim and were fed on some thin porridge．After a day or two，they had recovered a bit and were（70）___（final） helped out．