问题补充:
---- do you help your mother cook?
---- Once a week.
A. How long B. How C. How often
答案:
解析:本题的回答语表示的是频率,对此提问用how often,故本题选C。
时间:2021-06-24 23:42:33
---- do you help your mother cook?
---- Once a week.
A. How long B. How C. How often
解析:本题的回答语表示的是频率,对此提问用how often,故本题选C。