Katya:Hello,I'mKatyafromBulgaria.卡蒂亞:大家好,我是卡蒂亞,來自保加利亞。Ayumi:I'mAyumifromBrazil.亞由美:我是亞由美,來自巴西。Katya:Andtoday'squestionisdoyourememberanyschooltrips?Doyouremembera......