1. He аvoids working with these materials.
2. We intend studying the new phenomenon thoroughly.
3. He thinks of developing the theory.
4. He insists on transmitting the information by radio.
5. He is interested in discussing such problems.
6. There were several reasons for doing that.
7. She has no experience in carrying out such experiments.
8. We take every opportunity of going to this scientist’s lectures.
9. His task consists in ... (to provide the necessary materials for the experiment).