1. Переведите следующие предложения с инфинитивом в функции:
а) подлежащего
1. To see is to believe.
2. It’s unpleasant to deal with people like Mr. Brown.
3. Whether to leave or not has not been decided yet.
4. How to convince him is a problem.
5. Where to hang a picture must be decided right now.
6. Which advice to follow is your own business.
7. It was difficult to answer this question.
8. To give a true picture of the surrounding matter is the task of natural science.
9. To explain this simple fact is not very easy