__61_theimprovementoflifestandards,thereareagrowingnumb...
问题详情:__61_theimprovementoflifestandards,thereareagrowingnumberofpeopletravellingeachyear,___62__isagoodwaytoenjoylife.Somepeoplewouldlike___63___(take)apackagetour,whileotherswouldrather___64___(tra...