Question

1. (2012 北京房山一模，24, ★★☆ ) 一do you visit your grandparents,Tom?

  —Usually twice a month. You know we don't have much free time this year.

   A. How much   B. How long

   C. How often   D. How far

Answer 1

1. C

1. C  本题考查由how构成的特殊疑问短语。结合答语中的 “通常一个月两次”可知，问句问的是“频率”。故答案为C。