Question

【题目】— _______ do you go to the library?— Three times a week.
A.How long
B.How much
C.How often
D.How many

Answer 1

【答案】C
【解析】How long "多长时间"，How soon"多久"‘How many times"多少次 how often 多久一次，"通过答语Three times a week"可以判断本句是问频率的，所以答案是C。