Question

—_______does he go shopping?   — Twice a week.
A. How often     B. How     C. How long

Answer 1

A

试题分析: 句意：他多久购物一次？一周两次。How often多久一次，How如何，how long多久；根据Twice a week一周两次，可知对频率进行提问，故选A。