The bell ------- the beginning of class rang ,interruping ou

The bell ------- the beginning of class rang ,interruping ou The bell rang _____the beginning of the class. bell __the beginning of class rang ,interrupting our game of the bell rang ( )the end of school At this moment the bell rang,the end of class A.announcing B At this moment the bell rang, ________ the end of class. A. at this moment the bell rang,____ the end of class 为什么填这个At this moment the bell rang,________ the end of class When the bell rang,he ran out of the class room,which__his t He rang the bell. when the bell rang, Student hurried to the class room___the bell rang.