问题
选择题
--- _______ do you have piano lessons?
--- Once a week.
A．How many
B．How long
C．How often
D．How soon
答案
答案：C
本题的回答语表示的是频率，对此提问用how often，故本题选C。
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--- _______ do you have piano lessons?
--- Once a week.
A．How many
B．How long
C．How often
D．How soon
答案：C
本题的回答语表示的是频率，对此提问用how often，故本题选C。