Translate the following English sentence to French:
"Then, Greece has made a marvellous effort to achieve convergence, and we are in a position to extend the euro zone to that country, as the Commission has proposed."
Ensuite, la Grèce, qui a fait un formidable effort de convergence, de telle sorte que nous sommes en mesure, comme la Commission l'a proposé, d'élargir la zone euro à ce pays.