I moved to a new neighborhood two months ago. In the house with a large   36  across the road lived a taxi driver, a single parent with two school-age children. At the end of the day, he would  37  his taxi on the road. I  38  why he did not park it in the garage.  

Then one day I learnt that he had another car in his garage. In the afternoon he would come home  39   work, leave his taxi and go out for his   40  affairs in his other car, not in his taxi. I felt it was   41  .  

I was curious to see his personal car but did not make it until I  42  to be outside one evening two weeks  43  , when the garage door was   44  and he drove out in his “own” car: a Rolls-Royce（勞斯萊斯）! It shook me completely  45  I realized what that meant. You see, he was a taxi driver. But  46  inside, he saw himself as something else: a Rolls-Royce owner and a（n）  47  . He drove others in his taxi but himself and his children in his Rolls-Royce. The world looked at his taxi and  48  him a taxi driver. But for him, a taxi was just something he drove for a living. Rolls-Royce was something he drove for a（n）  49  .  

We go to bed every night and   50  every morning as parents or children, not as bankers, CEOs or professors. We go for a  51  as close friends or go for a vacation as a  52  . We love life as it is. Yet often, we base our entire happiness and success on how high we  53  the social ladder―how much bigger and better a  54  we have. And we ignore our Rolls-Royce, by keeping it dusty in our garage. We should focus more on  55  we are than what we do!  

I want very much to buy this digital camera, but I can’t afford ________.     

A. that                       B. it                                C. one                           D. this  

― You didn't lock the back door.  

― You are wrong. I ______                  

A. have locked it        B. lock it myself        C. did lock it                    D. do lock it  

Mr. Blake drove slowly on the way home until he arrived ______ the speed limit was 60 miles per hour.  

A. because               B. which                      C. where                             D. that  

Darkness ______, so we had to stop our journey and stay on a farm for the night.     

A．fell                  B．spread                           C．broke                            D．happened   

It struck me like lightning ________ difficult it must have been for a woman to get medical training in Africa at that time.

A. how            B. what                          C. whether               D. even if  

The early warning of floods,              over the radio and on TV, spread quickly through the area.    

A．having broadcast    B．broadcasting     C．broadcast               D．to be broadcast

Broadly speaking, I would agree with Shirley, though not ____________.       

A．widely        B．entirely         C．extremely         D．eventually  

The minister met the workers and engineers working on the project in Zambia, most ______ were from Jiangsu, China.       

A. of which           B. of who              C. of whom             D. of them  

Though I had wanted to finish the essay by noon, it didn’t quite _____ as planned.      

A．find out                 B．work out                        C．make out                D．give out