请教大家一道英语题, Danny ate brekfast once a week.once a week底下划横线,对

请教大家一道英语题, Danny ate brekfast once a week.once a week底下划横线,对 once a week 意思once a week Danny does some revision [once a week ]对括号内提问 对once a week 提问用? 对once a week提问用什么 she eats junk food once a week.对once提问? I eat junk food once a week.对once提问 once a week和twice a week once a week twice a week. 英语句子!1.I clean my room once a week.（提问） “once a week”是画线句子对o We have a piano lesson once a week.(对once a week提问）