— Who's on duty today?. — Tom is. Hurry up! Don't be late.. Don't run in class.
示范对话 示范对话·英文·题干
— Hurry up, Lily! It's eight o'clock.. — Sorry, Miss White! I'm coming.. — Don't be late for class.. — OK. … Who's on duty today?. — Tom is. He cleans the blackboard.