Ответ:
1. There is no point in worrying about these things. 2. Do you want me to order a long-distance call? 3. Before giving evidence you must swear to speak the truth. 4. I've seen him leave the office early this afternoon. He seemed to have been unhappy about something. 5. She didn't succeed in being economical. 6. Would you mind looking up his telephone number? 7. I'm looking forward to making an appointment with this businessman. 8. It was a lovely day, so I suggested going to the country. 9. Would you mind closing the window? I hate sitting in a draught. 10. It's worth arranging the things properly. 11. I'd like you to arrange everything by the time I come back. 12. It's very difficult to deal with him because he got used to doing everything in his own way. 13. The teacher was very strict. Nobody dared speak to each other. 14. They don't have much money. They can't afford to go out very often. 15. It is no use having a car if you don't know how drive.
Объяснение: