Question

【题目】—_______ do you help the old man with the housework? —Once a week.

A. How soon B. How long

C. How often D. How many

Answer 1

【答案】C

【解析】

试题分析：句意：你多久帮老人做一次家务？——一周一次。A. How soon多久；多快，多少时间之后；B. How long 多长时间；C. How often 多长时间一次；D. How many多少。答语是表示频率的。故答案为C。