—Howdo you attend the evening classes?—,three times per week.A. long;On the wholeB. often;

—How do you attend the evening classes?
— ,three times per week.
A. long;On the whole
B. often;On average
C. soon;Generally speaking
D. much;In all

A. long;On the whole(答案→)B. often;On averageC. soon;Generally speakingD. much;In all解析：how often 指“频度”；how long指“时间段“；how soon指“要多久”。on the whole 从整体来说；on average 平均起来；generally speaking 总的来说；in all 总共。

谢谢了