Помогите пожалуйста, английский язык 8 класс.

1. Заполните пропуски подходящими ответами.

1) Christmas is widely celebrated in the USA, ... a) don't they b) is it c) isn't it
2) Many people in the USA don't celebrate the New Year, ... a) do they b) don't they c) isn't it
3) In the USA Easter is not celebrated as widely as Christmas, ... a) isn't it b) is it c) do they
4) The British have more national holidays than Americans, ... a) are they b) don't they c) do they
5) Mother's day and Father's Day are important for families, ... a) are'n they b) is it c) are they
6) Americans have many ethnic festivals and carnivals, ... a) are they b) do they c) don't they
7) Adult children visit their fathers on Father's day, ... a) didn't they b) don't they c) do they
8) Americans, celebrate Father's Day in June, ... a) don't they b) do they c) are they