Once upon a time，there was a mother who lived alone with her son．They worked very hard all year round（61）___they still couldn't live a comfortable life．They really looked forward to making their life better，but didn't know how．
One year，a merchant came to the village．He needed（62）___（spend ） some weeks there．The merchant was so kind-hearted that he made a （63）___ （decide） to help the poor mother and her son．He gave （64）___ some money from time to time．Because they （65）___ （help） by the merchant，they lived a （66）___ （good） life than before．
But one day，the woman talked to her son，"The merchant will leave sooner or later．After he leaves，we'll live（67）___ （poor） again．Since he lives alone and isn't always at home，we can go and get all his money．"But the son （68）___ （immediate） refused to do so，saying，"Oh，no，Mom!We should never do that．He helps us a lot!We should be grateful to him instead of （69）___ （rob） him．"Having heard her son's words，the woman gave up her terrible idea．When the merchant left，he took the son with him and taught him how to do business．And the son returned as（70）___successful merchant．