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。（共6分， 每空1分）

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.