31.For some time he has demanded that the government_________blacks as citizens.
      A） has regarded        B） have regarded
 

    1.The last time we had a family reunion was_________my brother's wedding ceremony four years ago.
      A） in      B） at      C） during   D） ov

    56. Nowhere in nature is aluminum found free， owing to its always_________with other lements， most commonly with oxygen.
        A） combined        B） having combined

    11.All the students in this class passed the English exam________the exception of Li Ming.
      A） on      B） in      C） for     D） with

    21.Our house is about a mile from the station and there are not many houses 　　　　.
　　　A）in between        B）among them  
　　　C）far apart     

    66. Astronauts can be affected by loneliness. They may have to sit in the spacecraft for weeks　　　　.
        A） for no one to talk to    B） for there is no one to talk
 

    1. Frankfurt， Germany， is in one of the most_________populated regions of Western Europe.
      A） densely B） vastly   C） enormously  D） largely
 

    41.The judge sentenced Rod　　　　 two years in prison.
      A） in      B）to      C）into     D）for

    61.The boy was committed 　　　　the care of his uncle .
      A） in      B） for     C） to    D） with

    81. I appreciated　　　　the opportunity to study abroad two years ago.
        A） having been given    B） having giving
   

    21. She was so_________in her job that she didn't hear anybody knocking at the door.
        A） attracted B） absorbed   C） drawn   D） concentrated (B4，1996.1- 25)

    71.The patient is _________medical treatment.
      A） for      B） under    C） in      D） on
 

    31. Before he left for his vacation he went to the bank to　　　　 money.
        A） pull  B） pick    C） gain  D） draw（b4，1994.1-41）

81.You'll find that all of our products are 　　　　quality.
A） with first B） in first    C） of first    D） first
82.She is more liable 　　　　carsickness than us.
A） with    B） against  

    11）The latter ignores the higher cost of providing full services to a scattered community and the cost in both money and time of the journeys to work for the suburban resident．