He eat's junk food once a week .对once进行提问（提示：10个空）

He eat's junk food once a week .对once进行提问（提示：10个空） I eat junk food once a week.对once提问 she eats junk food once a week.对once提问? She eats junk food once a week对once划线提问有三个空 She eats junk food once a week.{对划线部分提问} ...she eat junk foo She eats junk food once a week.对画线部分提问 once画线 I love junk food （ ）I eat it once a week i love junk food and eat it once a week 中junk food为什么be动词是is W__ do you eat junk food only once a week?Mother doesn't wan I eat j（ ） food only once a week He eats junk food __once_ a week.(对划线部分提问） He plays football once a week,对once a week提问