题目内容：

When I first met my new parrot, Chico, his wings had been cut short and he was stuck on the earth just like us humans. When the weather turned nice, I would take Chico outside. I ________  him on a branch of a tree, hoping to make him happier. At first he seemed confused. He walked back and forth on the branch looking ________ . He didn’t even flap his wings in an/a ________  to fly. Somehow he knew he was incapable.

One day Chico got especially excited. He paced back and forth and made an ________ amount of noise. Then all of a sudden he stopped and let out an even louder scream. He started ________ flapping his wings for the first time ever—then he lifted off the ________ like a space shuttle! I was amazed and ________. Little did I know his feathers had been growing back, and Chico had been waiting until the moment was ripe for ________!

Two days later Chico returned. First I tried to ________ him back with food, but he would not come near me. Then I took his ________ and put it away—still he would not come. Finally, I made him a firm promise that I would let him out every day if the weather was nice as long as he did come back. ________, he flew onto my shoulder.

From that day on, whenever the weather was good I would let him ________ early and he would fly around and be back before dark. The routine lasted for two months ________ suddenly Chico became ________. The vet said that he had been infected with a disease from the pigeons in the ________. Within a few days he died.

I was very sad. The ________ crossed my mind that if I had not set him free to fly, he would be still alive. But what ________ is there in being a bird if you can’t fly?

Chico made his first ________ for freedom on a late Monday afternoon in April. When will you make yours? You too can take a ________ when the conditions are right, knowing you too, in your own way, were built to fly. If you don’t set yourself free, what will be the ________ of your life?

1.A. brought    B. seated    C. caught    D. chased

2.A. comfortable    B. painful    C. patient    D. anxious

3.A. attempt    B. stage    C. journey    D. path

4.A. serious    B. first    C. incredible    D. accessible

5.A. slowly    B. gently    C. madly    D. gracefully

6.A. ground    B. branch    C. window    D. house

7.A. moved    B. shocked    C. delighted    D. excited

8.A. patience    B. exchange    C. rescue    D. escape

9.A. trick    B. fasten    C. seize    D. expect

10.A. cage    B. chain    C. food    D. feather

11.A. At last    B. As usual    C. Once in a while    D. In the meantime

12.A. out    B. off    C. away    D. alone

13.A. until    B. while    C. since    D. although

14.A. active    B. weak    C. annoying    D. miserable

15.A. forest    B. community    C. countryside    D. neighborhood

16.A. fact    B. thought    C. concern    D. detail

17.A. problem    B. meaning    C. interest    D. mistake

18.A. relief    B. willingness    C. communication    D. breakthrough

19.A. breath    B. look    C. holiday    D. chance

20.A. success    B. purpose    C. contribution    D. importance