._____have just visited Nanjing? Three timesA. How many times B. How often C. How long D.How soon
问题描述：
._____have just visited Nanjing? Three times
A. How many times B. How often C. How long D.How soon
答
A.题目问的是曾几次去过南京
How often 一般用来提问频率
How long 是用来提问时间长度的 How soon 也一样提问的是时间
答
B对频度提问
答
B
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