短文改错
Thismorning,ourschoolholdsafiredrill(演练).Wewerelisteningtheteacherattentivelyinthemathclassafterweheardthefirealarmfromthespeakeronthewall.Theteacherstoppedteachimmediatelyandorganizedustoexittheclassroomquickly.Whenwegotintothepassageway,wefoundussurroundedbysmoke.Itwaschockingbutourtearsrandown.Westudentsbentdown,coveredourmouthwithhandkerchiefs,andrunningdownstairsrapidlyintotheopenontheplayground,justaswehadbeentaughtago.FiredisastersareoftenseeingonTVandreadaboutinthenewspaper.Weshouldknowtheskilltoescapefromthefireincaseofemergency.