In 1972 Britain left EFTA and joined the EEC.
1972年英国脱离欧洲自由贸易联盟, 加入了欧洲经济共同体.
His French has come on a lot since he joined the conversation class.
他自从参加了会话班, 法语取得了很大进步。
Other organizations have joined the confederation for mutual benefit.
其他组织为了共同的利益也加入了这个联盟。