Katya:Hello,I'mKatyafromBulgaria.卡蒂亚:大家好,我是卡蒂亚,来自保加利亚。Ayumi:I'mAyumifromBrazil.亚由美:我是亚由美,来自巴西。Katya:Andtoday'squestionisdoyourememberanyschooltrips?Doyouremembera......