Mom ________ (cook) when the bell rang.

Mom ________ (cook) when the bell rang. when the bell rang, 选择 We______the test when the bell rang. 在横线上写上适当的形态Mon ——（cook) when the bell rang 2.Hurry up,or you When the bell rang,the children hurried into the classroom.( He rang the bell. She ( )the door bell rang,when she ( ) to the music. the children -------cards when the door bell rang .a.played I watch TV when the bell rang哪错了 they hadn't played fottball long when the bell rang Everyone was watching _____ when suddenly the bell rang Everyone was watching ( )when suddenly the bell rang.A.footb