at this moment the bell rang,____ the end of class

at this moment the bell rang,____ the end of class At this moment the bell rang,the end of class A.announcing B At this moment the bell rang, ________ the end of class. A. 为什么填这个At this moment the bell rang,________ the end of class the bell rang ( )the end of school ______ the moment bell rang. 英语填空The bell _____ the end of the period rang,____ our heate The bell rang _____the beginning of the class. The bell ------- the beginning of class rang ,interruping ou The bell(indicating)the end of the period rang,(indicating)o 英语44.The bell ______ the end of the period rang,______ our h The bell (indicating)the end of the period rang and we hard