There are about fifteen hundred languages in the world. But only a few of them are very ___1___. English is one of these. Many, many people use it, not only in England and the U.S.A., but in other parts of the world. About 200,000,000 speak it as their own language. It is difficult to say how many people are learning it as a ___2___ language. Many millions are trying to do so.
Is it easy or difficult to learn English? Different people may have different ___3___. Have you ever ___4___ ads（广告） of this kind in the newspapers or magazines?
