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 ____ 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，____ 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 (手柄)，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 ____ you 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.

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

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

A．well B．quickly C．safely D．wrong

A．left B．given C．brought D．shown

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

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

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

A．angry B．calm C．sad D．happy

A．fixed B．trained C．loaded D．waited

A．slower B．lighter C．quieter D．easier

A．believe B．agree C．regret D．pretend

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

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

A．rest B．order C．eat D．leave

A．bag B．walker C．tray D．coat

A．idea B．praise C．message D．need

A．cold B．full of joy C．pale D．on fire

A．lie B．hide C．defend D．stay

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

A．careful B．patient C．honest D．practical