题目内容：

用括号中所给单词的正确形式填空，使短文内容完整、正确。

A few years ago, my father 1. (buy) a parrot. It has black feathers and can learn 2.(say) any words it is taught. Every morning, it 3. (greet) my parents warmly. This brings the great 4.(happy) to my parents. My parents live in the countryside. They have three sons—my two brothers and me. However, all of us are in different cities. For my parents, the happiest time of the year is the 5.(year) gathering at the Spring Festival. For 6. (much) of the year, my parents only speak to each other, they feel a bit lonely sometimes. With the parrot at home, they feel much 7. (good). The parrot is like their fourth son. It usually 8. (stay) in a cage, sometimes my parents let it fly out of the cage, but it always returns to the cage 9.(it). In the daytime, it talks a lot and talks loudly. But at night when my parents fall 10. (sleep), it always keeps quiet.