根据首字母提示完成下列短文。 Long ago, the dog f_________ a big and h_________ bone. He wanted to c_________ it t_________ the
forest, but he stopped at al_________. Because he saw a dog i_________ the water w_________ a bone. He
barked a_________ the dog and lost his b_________. Finally he felt s_________, but he learned a lesson. found, heavy, carry, to, lake, in, with, at, bone, sad