改错1.How long does he write to his parents?Once a week
问题描述：
改错1.How long does he write to his parents?Once a week
答
你能不能说清楚点啊、是要改成什么样的啊、请你把问题说清楚些、有助于我们回答
答
根据回答 how long 改为how ofen 表示频率
答
把how long 改为how often
答
How long-How often
祝你进步
答
How often does he write to his parents?
Once a week.
答
how long改为how often
问频率用how often
答
often