Question

—_______ do you go to see your grandparents?
—Once a week.

A．How far

B．How long

C．How often

D．How soon

Answer 1

C

試題分析：How far多遠；How long多長；How often多久一次；How soon多久。根據下文，每周一次。可知上文問的是，你多久去看你爺爺奶奶一次？故選C。