помогите!!!
form the necessary derivatives from the words on the right and complete the sentences
1) The exercise was very long.I thought it was ... / end
2) I thought the ...s were bette than the text. /illustrate
3) The ... of her voice calmed the old lady./ soft
4) John is a very ... driver. / care
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 environment. / protect