It is not the strongest of the species that survives, nor the most intelligent that survives. It is ______ that is most adaptable to change.
36..___________that she has gone to the United States? 37.
37.________________certain that his invention will lead to the development of production.
38.____________in 1914____________the First World War broke out? 39.
40.It is important that she___________with Mr Williams immediately. 41.
42.______that there′s another good harvest this year. 43.