how many countries are using Euro?

many countries are using natural gas ,wind How many countries are there in the How many tea -drinking countries are there in the text? How many countries are there in the South America? How many countries are there in mainland South America? Who knows how many countries there are on the earth how many things are made in foreige countries from these ads how many countries are there in the world?(please write it i 英语填空 世界上有多少个国家 How many countries are there-------- -------- 英语翻译Other euro-zone countries are less rattled.“A strong eur How many f( )countries have you visited? Workers are paid w____in many western countries