LindaandLucyaregoodfriends.Theyareinthesameclass.Buttheycomefromdifferentcountries.LindaisaChinesegirl.LucyisfromtheU.S.A.LastSundayafternoontheywentshoppingtogether.Lindaboughtsomeexercisebooks.Lucyboughtsomepens.Itwasfiveo’clock.Theywerebothalittlehungry.Lucywantedtoeatsomething.Sotheywenttoarestaurant.AndthenLucyaskedLinda,“Wouldyoulikesomethingtoeat?”“No,no,”answeredLinda.SoLucyboughtsomebreadandaglassofmilkforherself.Shesatdownandbegantoeat.Lindastoodtherealoneandlookedather.Shewashungryandshewasangry,too.ShethoughtLucywasimpoliteanddidn’twanttobefriendswithheranylonger.ButLucydidn'tknowthis,becauseitwasnotimpolitetodosoinhercountry.