第1个回答 2015-07-25
这是对频率提问的句型,貌似是初中学的
追答应该是
How often did you exercise two years ago?
绝对是用How often可以在书上找到的
第2个回答 2015-07-25
How long did you exercise two years ago?
第3个回答 2015-07-25
How often did you exercise two years ago?
第4个回答 2015-07-25
How often did you exercise two years ago?