4.到处都在讲英语的原因是19世纪英语成了世界贸易语言。Englishisspokeneverywhereinthenineteenth，Englishbecamethelanguageofworldtrade.

Question

4. 到处都在讲英语的原因是19世纪英语成了世界贸易语言。

                  English is spoken everywhere                 in the nineteenth        ，English became the language of world trade.

4. 到处都在讲英语的原因是19世纪英语成了世界贸易语言。

                  English is spoken everywhere                 in the nineteenth        ，English became the language of world trade.

4. 到处都在讲英语的原因是19世纪英语成了世界贸易语言。

                  English is spoken everywhere                 in the nineteenth        ，English became the language of world trade.

                                        

Answer 1

4. The reason why;is that;century

4. The reason why;is that;century