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______do you go swimming ? Sometimes.
A．How often
B．How long
C．how many
D．How old
-______do you go swimming?
-Twice a week.
A.How often B.How far C.How soon D.How long
A．How often B．How long C．how many D．How old
---Michael, do you go swimming?
--- Twice a week.
A. how many B. how long C. how often D. how soon