5. Сообщалось, что большинство европейских банков начали предлагать счета в евро и начали торги по евро, как только была введена новая денежная единица.
5. it has been reported that most European banks have started to offer euro accounts and began bidding for the euro, as soon as a new currency unit was introduced.
5. It has been reported that the majority of European banks began offering euro accounts and began trading on the euro was introduced as the new currency.
5. it was reported that most european banks have begun offering accounts in euro and started trading in the euro is a new currency has been introduced.