Question

—__________do you go to see your uncle?
—Three times a month.

A．How long

B．How many

C．How often

D．How old

Answer 1

C

解析試題分析：句意：你多久看望你叔叔一次？。How long多長；How soon多久；How often多久一次；How much多少錢。根據下文，Three times a month，一月三次，可知前文問的是，多久一次，故選。
考點：考查how構成的特殊疑問詞詞組。