综合填空 阅读短文，用方框中所给词的正确形式填空，使短文通顺、连贯。方框中有两个为多余。
hard, while, learn, come out, father, be, quickly, afraid |
Once upon a time, there lived a family of mice in the kitchen. One Saturday morning Father Mouse and his son felt hungry and ____ for food. ____ they were looking for food, they saw a big cat. Baby Mouse was very ____ and climbed onto his ____ back. Father Mouse shouted at the cat. “Woof, woof!” The cat ran away____ “Wow, dad, you’re great!”said Baby Mouse. “Well, son, that's why it's important to ____ a second language.”answered Father Mouse.
