题目内容：

After the birth of my second child, I got a job at a restaurant. Having worked with an experienced     for a few days, I was     to wait tables on my own. All went     that first week. When Saturday night came, I was luckily 14 the tables not far from the kitchen.       , I still felt it a little hard to carry the heavy trays(托盘).

Before I knew it, the     was full of people. I moved slowly 17 every step. I remember how     I was when I saw the tray stand near the tables; it looked different from the one I was     on. It had nice handles, which made it     to move around. I was pleased with everything and began to     I was a natural at this job.

Then, an old man came to me and said, “Excuse me, dear, my wife and I loved     your work. It seems your tray stand has been very     to you, but we are getting ready to     now, and my wife needs her     back.”

At first, his     did not get across. “What was he talking about!” Then, I got it. I had set my trays on his wife’s orthopedic walker(助步器). I stood frozen as ice, but my face was     I wanted to get into a hole and     .

Since then, I have learned from many mistakes such as the one I just     . I have learned to be more     and not to be too sure of myself.

1.A. manager   B. assistant   C. cook    D. waitress

2.A. promised   B. invited    C. allowed   D. advised

3.A. well    B. quickly   C. safely    D. wrong

4.A. left    B. given    C. brought   D. shown

5.A. Therefore   B. However   C. Otherwise   D. Finally

6.A. kitchen   B. street    C. restaurant   D. table

7.A. minding   B. changing   C. taking    D. saving

8.A. angry    B. calm    C. sad    D. happy

9.A. fixed    B. trained    C. loaded    D. waited

10.A. slower   B. lighter       C. quieter       D. easier

11.A. believe   B. agree    C. regret    D. pretend

12.A. letting   B. making   C. watching   D. having

13.A. useful   B. familiar   C. unusual     D. interesting

14.A. rest    B. order    C. eat    D. leave

15.A. bag    B. walker    C. tray    D. coat

16.A. idea    B. praise    C. message   D. need

17.A. cold    B. full of joy   C. pale    D. on fire

18.A. lie       B. hide    C. defend   D. stay

19.A. repeated   B. discovered   C. corrected      D. described

20.A. careful   B. patient        C. honest       D. Practical