Помогите.... Дам 15 баллов Упражнение 7

There are 7 (seven) days in a week. There 3 (three) months in winter. There are 31 (thirty one) days in January. There are 30 (thirty) days in June. There are 28 (twenty eight) days in February. There are 7 (seven) colors in the rainbow. There are 100 (one hundred) copecks in a ruble.