题目内容：

One morning in early fall, I spotted a pair of wild geese on our pond. The beautiful sight caught me by________because we’d never seen geese there before. Thinking they would soon leave, I__________the chance to get close to them. I wondered where they came from and why they’d chosen our pond.

The next morning, the geese were still my________. I walked round to the mailbox, showing them I meant no harm.________, I couldn’t resist getting a ________ look. I hid behind some trees and ________ the handsome pair quietly through the branches. I was surprised to see they were staring at me, too!

As days passed, I started ________ to them on my trips to the mailbox. They craned their necks and raised their heads________, but seemed to realize I was their friend. By then, my curiosity about ________ they were staying so long on the pond changed to ________. As they were feeling in the grass the other day, I discovered the reason for their ________: the male had a broken left wing. He couldn’t________, and his faithful mate wouldn’t leave him behind.

I asked a biologist what to do. He explained that sometimes a ________ wing would heal by itself and suggested letting nature take its course.

On the first day of November, I was working in the neighborhood of the geese with my tractor. As I bent to fasten a chain from the tractor, I ________ some movement from the corner of my eye. Both geese were running towards the pond. Their wing were _________ like crazy, struggling for take-off. Gradually, they flew over the pond. They________ enough altitude to fly past a neighbor’s house, and then circled back towards me, flying no more than 50 feet over my head as if to say goodbye. Then they were out of __________.

The season’s first snowflake fell the very next day. The birds must have_______that winter was coming, and it was time to go. I became fond of them during their _________visit to our pond, and now I miss them. I’ll never forget their ________ to each other.

1.A. accident    B. surprise    C. nature    D. fortune

2.A. increased    B. created    C. deserved    D. valued

3.A. guests    B. puzzles    C. fellows    D. friends

4.A. Instead    B. Therefore    C. Still    D. Anyhow

5.A. closer    B. quicker    C. quieter    D. broader

6.A. approached    B. calmed    C. observed    D. protected

7.A. turning    B. attending    C. driving    D. talking

8.A. firmly    B. cautiously    C. warmly    D. proudly

9.A. why    B. when    C. how    D. whether

10.A. sympathy    B. rescue    C. pleasure    D. concern

11.A. companion    B. visit    C. settlement    D. care

12.A. recover    B. survive    C. fly    D. return

13.A. weak    B. folded    C. broken    D. flightless

14.A. held    B. caught    C. directed    D. made

15.A. spreading    B. sweeping    C. trembling    D. beating

16.A. gained    B. set    C. discovered    D. lost

17.A. reach    B. sight    C. control    D. help

18.A. concluded    B. indicated    C. sensed    D. confirmed

19.A. unexpected    B. causal    C. regular    D. short

20.A. contribution    B. promise    C. treat    D. devotion