Номер 7 но он связан с номером 6 пожалуйста помогите

1) In Russia schoolchildren have school holidays in spring, in summer, in autumn and in winter
2) Summer holidays the longest. They usually begin in June and finish in August
3) They begin in June and finish in August
4) Russian schoolchildren can travel with their parents in Russia and abroad 
5) Peter  traveled to Nizhny Novgorod last summer
6) Yes, he did
7) He wrote that he liked this city. He also saw the Kremlin with its thirteen towers and bought some presents for his friends on Pokrovskaya Street
8) Yes, he is