19. At the foot of the mountain (   ).

• A、a village lie
  
  

• B、lies a village
  
  

• C、does a village lie
  
  

• D、lying a village
  
  

54.(      )

8. We (   ) have proved great adventurers, but we have done the greatest march ever made in the past ten years. 

• A、needn't

• B、may not

• C、shouldn't

• D、mustn't