对once a week提问用什么

对once a week提问用什么 对once a week 提问用? she eats junk food once a week.对once提问? I eat junk food once a week.对once提问 my mum washes the clothes once a week once划线用什么提问 We have a piano lesson once a week.(对once a week提问） 对划线句子提问用什么疑问词?once a week never for one hour three every day once a week if it is fine.对它提问用什么疑问词 how long?how often? Grace goes to the library once a week.对once a week提问, My father shops once a week对once a week提问 Tom studies English once a week,对once a week提问 怎么写 She goes to see her grandpa once a week.(对once a week部分提问)