短文改错（共10小题；每小题1分，满分10分）
One day two young men was walking in         76.___________
the forest while they saw a bear ahead . They        77.____________
tried run away. One of them got up into a           78.____________
tree, other was fat and could not climb up .          79.____________
But he threw himself at the foot of the tree.          80.____________
Soon the bear came nearly. It saw the fat            81.____________
man .The man held his breathe . The bear thought     82.____________
he was died, so it went away.The man in the