i. vocabulary and structure (10 points, 1 point for each item)
1.small ________ it is, the pen is a most useful tool.
　　a.because         b.so         c.as         d.if  
      
2.all ________ is a continuous supply of fuel oil.
　　a.what is needed   b.the thing needed   c.for their needs       d.that is needed    
     
3.you’d like that,  _____?
　　a.don’ t you       b.wouldn’t you      c.hadn’t you          d.didn’t you   
            
4.had electronic computers not been invented, many problems of space flight ________.
a.could not be solved        b.can not be solved 
c.could not have solved      d.could not have been solved        
  
5.“you realize that you were driving at 100 mph, don’ t you? ”
　　“no officer, i ________. this car can’ t do more than 80.”
a.didn’t need to be       b.couldn’t have been
c.may not have been     d.needn’t have been    

i. vocabulary and structure (10 points, 1 point for each item)
1.small ________ it is, the pen is a most useful tool.
　　a.because         b.so         c.as         d.if  
      
2.all ________ is a continuous supply of fuel oil.
　　a.what is needed   b.the thing needed   c.for their needs       d.that is needed    
     
3.you’d like that,  _____?
　　a.don’ t you       b.wouldn’t you      c.hadn’t you          d.didn’t you   
            
4.had electronic computers not been invented, many problems of space flight ________.
a.could not be solved        b.can not be solved 
c.could not have solved      d.could not have been solved        
  
5.“you realize that you were driving at 100 mph, don’ t you? ”
　　“no officer, i ________. this car can’ t do more than 80.”
a.didn’t need to be       b.couldn’t have been
c.may not have been     d.needn’t have been