The___of clapping should date from many years ago.A.Custom B.customsC.habiting D.habits请说明理由

问题描述:

The___of clapping should date from many years ago.A.Custom B.customsC.habiting D.habits请说明理由

Custom或Customs常用作单数 海关的意思, 复数是关税的意思.
custom是习惯、风俗、惯例的意思.
habit 是习惯的意思.