In a beautiful mountain village,a father named Edward and his 7-year-old son Bob lived in a small farmhouse.
Edward was a hard-working （1）______ who worked on his land every day.Bob was a lively and innocent（纯真的）boy,and he always followed his father around.The son could often learn something useful about life from his father.
One sunny morning,Edward took Bob for a walk.He （2）______ several huge stones lying on the ground,and said with a smile, "Bob,look at these stones.They are in the way now.What can we do?"
"Can I move them away?" Bob thought for a while and asked.
"Good idea!Maybe you can do it!" nodded（点头）the father.
Bob\’s eyes lit up with excitement,and he rushed over to try pushing one of the large stones.However,no matter how hard he tried,the stone still （3）______ there.
Bob,feeling a little sad,said, "Dad,I tried to move it just now,but it didn\’t move at all.I have tried my best.I have given it my all.I\’ve used up all my strength（力气）." Edward smiled （4）______ and said, "Bob,you haven\’t used up all your strength.You haven\’t （5）______ for help."
With these words,Edward also bent down and pushed the （6）______ stone together with his son.They tried hard and finally moved it to one side of the road.
After they moved the stone,Edward turned to his son and said, "Facing difficulties with a strong will is important.However,your own strength is not enough.When your ability is not enough for a task,you can choose to （7）______ strength from those around you."
From then on,he learned to ask for help and cooperate with others,understanding the importance of （8）______.