1.He （go）skating on the ice ever day inwinter.go的正确形式
2.He usually （ask）Mr Black for help.ask的正确形式
3.Breakfast is really good for your (healthy).healthy 的正确形式
4.There are many (difference)between the two languages.difference 的正确形式
5.How often do you eat (vegetable)?vegetable的正确形式
6.We go to the movies (one)a month.one的正确形式
7.Good food and exercise help me (study)better.study的正确形式
8.Uncle wang goes to New York (two)a year.two 的正确形式