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30．Old people must . A. be spoken to politely B. speak to polite C. be spoken politely D. speak polite 【查看更多】

 

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Old people must         .    
[     ]
A. be spoken to politely  
B. speak to polite  
C. be spoken politely    
D. speak polite

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Old people must _______.

A. be spoken to politely

B. speak to polite

C. be spoken politely

D. be spoken politely

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Old people must ______.
[     ]
A. be spoken to politely　　　　　　
B. speak to polite 　　
C. be spoken politely　　　　　　　
D. speak polite

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Old people must __________.

A．speak to polite

B．be spoken politely

C．be spoken to politely

D．be spoken to polite

 

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Old people must ________．

[　　]

A．be spoken to politely

B．speak to polite

C．be spoken politely

D．speak polite

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