Задать вопросы. 1. it was introduced to unite these countries economically. (why? ) 2. by the end of summer 2002, the euro replaced the old currency for the participating nations. (when? ) 3. the notes come in different sizes and use the colours blue, green, yellow, orange and mauve. (what sizes in? ) 4. euro coins are made in silver,gold and copper tones. (what tones in? ) 5. they show a common design on one side and various national symbols on the other. (where? ) 6. because they are made by mints in different countries, they vary slightly in size. (why? ) 7. january 11, 1999 the euro begins to be used electronically. (when? ) 8. january 1, 2002 euro notes and coins enter circulation. (when? ) 9. july 1, 2002 local money is completely replaced by the euro. (when? )