题目内容：

It was a hot summer day. The sun was shining brightly and all l could think of was _________ down with a scoop of my favorite ice cream. I decided to make a quick _________ to the newly opened ice cream parlor（冰淇淋店）close by for a mid-day _________.

I ordered my ice cream in a fancy cone and asked the server to _________ two tubs of chocolate ice cream for folks at home.

_______I knew it, I was halfway _________ my icy treat and was enjoying the view of the two colorfully prepared ice cream flavors, sitting pretty one next to the _________.

Now that my to-go order was _________, I headed to the payment counter to settle the bill. _________, the cashier（收银员）had forgotten to bill my ice cream, __________only for the two tubs.

The next few __________ passed by as I debated between doing what was __________-clearing the bill and moving out, and doing what was right ---__________ the error. I knew if I didn’t bring the error in the bill to his __________, my ice cream would be charged against his __________.

That moment, my decision was made and I went and told him __________ he had missed.

He looked at me in __________ and thanked me profusely for telling the error. Had it not been for my __________ telling the error, he would have been fined. The smile of relief on his face made me smile, too.

I came out of the ice cream parlor feeling really __________ about myself. I knew that day how wonderful it feels to do what is right __________ what is easy.

1.A. calming    B. breaking    C. cooling    D. setting

2.A. choice    B. trip    C. decision    D. promise

3.A. meal    B. work    C. treat    D. cure

4.A. sell    B. take    C. make    D. pack

5.A. While    B. Although    C. Unless    D. Before

6.A. through    B. up    C. over    D. across

7.A. another    B. other    C. one    D. others

8.A. ready    B. slow    C. late    D. over

9.A. Satisfyingly    B. Disappointingly    C. Annoyingly    D. Surprisingly

10.A. taking    B. spending    C. charging    D. buying

11.A. days    B. weeks    C. hours    D. seconds

12.A. easy    B. ridiculous    C. interesting    D. right

13.A. referring to    B. pointing out    C. finding out    D. looking into

14.A. mind    B. face    C. notice    D. note

15.A. expenses    B. salary    C. taxes    D. fine

16.A. why    B. where    C. that    D. what

17.A. need    B. relief    C. disbelief    D. anxiety

18.A. honestly    B. obviously    C. secretly    D. incredibly

19.A. good    B. fresh    C. awesome    D. well

20.A. other than    B. rather than    C. regardless of    D. apart from