问题
选择题
—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
答案
答案：B
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。