A:Do most men have his hair _____once a week?B:I think so.

问题描述:

A:Do most men have his hair _____once a week?B:I think so.
这不是一般现在时吗?怎么还过去分词啊,ONCE A WEEK 表示频率啊

washed
用wash的过去分词,不知道是不是washed