1. Climatic conditions … the growth of plants. (to influence)
2. The ideas of V.V. Dockuchayev … greatly the development of crop science. (to influence)
3. The students … trees in the park now. (to plant)
4. They … some new problems at their physics lesson tomorrow. (to discuss)
5. What was he doing when you … him yesterday? (to visit)
6. The new fertilizer … the amount of useful elements in the soil. (to increase)
7. The climate … greatly in the central regions of our country. (to change)