问题
选择题
– How wonderfully you are playing the piano! do you practice it a week?
- Twice. Practice makes perfect.
A. How often B. How many times C. How soon
答案
答案：B
How often多久一次；How many times多少次；How soon多久。根据下文，两次，熟能生巧。可知上文提问的是次数，故选Ｂ。