Заполните пропуски предлогами:1.My friend's name is Borisov. He is an economist. He works ...an office ...the fifth floor ...our Ministry. His office does business ... a lot ...frims. They sell very many goods ...foreign countries. They also buy goods ...them. 2. Mr Lidin knows English well. He often meets foreign businessmen and speaks English ...them. Every day he receives a lot ...mail ...foreign firms and sends answers ...them. 3. Mr. Petrov gets up ...8 o'clock. He lives ...the Ministry. He comes ...his office ...a quarter ...9 to get ready ...work. 4. ..ten minutes ...9 Mr. Petrov comes ...his office, goes ...the litters and cables ...foreign firms and answers them. 5. Take all the letters and cables ... ... that bag and put them ...my desk. I'd like to go ... all ...them now. 6. Must l speak ... our work ...the meeting? Yes, you must. 7. You can speak ...him ... it ...the phone