题目内容：

    I grew up with two elder sisters.If I wasn’t courteous(礼貌)to them，they’d fix me.So courtesy wasn’t really ____ in my childhood home.

My sisters ____ every chance to train me how to be a courteous ____ .They made me open doors for them or help them into their ____ at dinner.

Years later I went away to college.The first time I walked into the library，I noticed a woman walking behind me and I ____ the door open for her.

___ ，she glared at me，asking loudly，“Do you think that because I’m a woman I'm not ____ enough to open a door for myself ?”She slammed(摔)the door shut，leaving me astonished  and ____ .My face burned with ____ .I decided ____ that there would be no more courtesy!

As I stood there，another lady ___ the door，her arms ____ with textbooks.Instinctively(本能地)I  __  to open the door for her. ____ I realized what I had done.I prepared myself for shouts.However，I received a warm smile and a look of  __ .

“Thanks!”she said brightly.“It’s nice to see we still have a few gentlemen around here!”

Of course，if I were REALLY a gentleman，I would have ____ to help with her books.Despite this，I appreciated the good ____ I got from performing all act of simple courtesy.To do otherwise would be to ____ my lifetime of training.

Courtesy brings pleasant，refreshing light to our lives whether we are the giver，the ____ or just an interested observer.Courtesy doesn’t ____ change our lives，but it can certainly transform the way we feel about life.

1.A. important B. available C. delightful D. optional

2.A. made the most of B. got ready for C. gave way to D. put forward

3.A. colleague B. assistant C. companion D. gentleman

4.A. dresses B. chairs C. dishes D. mouths

5.A. answered B. unlocked C. held D. forced

6.A. Instead B. Even so C. Unexpectedly D. Sure enough

7.A. strong B. confident C. courageous D. experienced

8.A. impatient B. speechless C. anxious D. desperate

9.A. fear B. excitement C. embarrassment D. envy

10.A. in advance B. in a flash C. once more D. by chance

11.A. approached B. passed C. pulled D. entered

12.A. surrounded B. crowded C. covered D. overloaded

13.A. regretted B. refused C. reached D. hesitated

14.A. Until B. Although C. In case D. The moment

15.A. doubt B. relief C. guilt D. curiosity

16.A. offered B. agreed C. promised D. waited

17.A. thought B. process C. feeling D. advice

18.A. correspond with B. 1ead to C. go against D. hold on to

19.A. judger B. receiver C. loser D. reporter

20.A. necessarily B. normally C. casually D. naturally