The English in the future will be quite different from the English of today. It is possible that some English words may ____ even completely.[ ]

Most British believe that there has never been a more splendid opening ceremony than_______ of the London 2012 Olympic Games.

Thanks to the joint efforts made by the leaders of China and the US over recent years, mutually _________ Sino-US relations have made remarkable progress.

________ of giant pandas is getting _________because their living areas are becoming farmland.

o many noises from the busy traffic in the street, I couldn’t_____ and do my research work.