How often have you been to Beijing?Twice
问题描述：
How often have you been to Beijing?Twice
这句话哪里错了
答
应该是How often do you go to Beijing?Twice a week/year.etc 或者 How many times have you been to Beijing?Twice.how often 表示询问频率,是多久一次的意思,而且been to 表示的是一种去过的状态,所以不应用在此...