Вопрос по английскому языку:

Form the necessary derivatives from the words on the right and complete the sentences.

Помогите пожалуйста
1. The exercise was very long. I thought it was …… end
2. I thought the ……s were better than the text. Illustrate
3. The …… of her voice calmed the old lady. soft
4. John is a very …… driver. I don’t like to travel with care
him in the car.
5. I ……think that the new project is rather difficult. personal
6. What is the ……. Of this area? populate
7. People should do more for the …… of the environment. protect