Нуждаюсь в подсказке по решению задачи 4 класса: - напиши, что это не так пример 1.valya was at the festival last sunday. -valya wasn't at the festival last sunday. 2. the boys were at the gym last friday. -the boys weren't at the gym last friday. 3. it was hot last saturday; 4.you were at the post office last monday; 5.we were at the sports centre last wednesday; 6.they were sick last week; 7. he was at the station last tuesday