Вставьте at или in. Всего 2 предложения! Do you go swimming ... the weekend? I had lunch ... one thirty.
Do you go swimming in the weekend? I had lunch at one thirty
И ещё. Плиз. Правильно? We went skiing in winter. We don*t go to school in August.
И тогда, поставлю, как лучший ответ!