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— _____ do you go for a picnic?    
— Once a month. 

A. How long
B. How many times
C. How often
D. How many time
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科目:初中英語 來源:河南省期末題 題型:單選題

— _____ do you go for a picnic?    
— Once a month. 
[     ]
A. How long
B. How many times
C. How often
D. How many time

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