- 問題詳情:InJuly,myfriendandIaretakingacampingtrip.WewilltravelforfourweeksandwilltourtheUnitedStatesandpartofCanada.Wehavedecidedtocampbecauseitdoesnotcostasmuchasvacationinginhotels.Wehadtoplanverycarefully.First,thecarwearegoingtodriveisverysmall,so...
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