--- Could you please tell me the way to the station? ---Sorry,I’m a stranger too.You ask the policeman over there. A.must B.may C.need D.should 查看更多

 

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—Could you please tell me the way to the station?        
—Sorry, I’m a stranger too. You ______ ask the policeman over there.        
[     ]
A. must      
B. may    
C. need      
D. should

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