Используйте герундии вместо глаголов в скобках и заполняйте предлоги там, где это необходимо:
1. Would you mind__(to wait) for a moment.
2. We could not prevent them__(to turn to) another bank.
3. I look forward__(to hear) from you soon.
4. She insists__(to see) you personally, sir.
5. We are interested__(to buy) from you a lot of goods (партия товара).
6. Would you object__(to bring) that report, Mrs. Adams?