закончите предложения, употребляя сложное дополнение " Be careful, or else you will spill the milk, " said my mother

\" Be careful, or else you will spill the milk, \" said my mother to me. - My mother did not want me to spill the milk. 1. People expect that the 21-st century will bring peace on the earth. - People expect the 21-st century to bring peace on the earth. 2. I know that my friend is a just man. - I know my friend to be a just man. 3. We expected that they would intensify the whole process. - We expected them to intensify the whole process. 4. We know that mathematics has become man`s second language. - We know mathematics to become man\'s second language.