Глаголы в скобках поставте в простом времени. 1)it (to be) one of the greatest cities in europe. 2) it s a beautiful city. 3)a lot of toirists visit it. 4)it is very popular. 5)it (to be) one of the richest and most famous cities of britan. 6)the vikings (to come) there a thousands years ago.