Choose the proper word: a) affair business matter

Choose the proper word: a) affair business matter concern
1. It's no ... of mine. 2. "Mind your own ..., " she said sharply. 3. The Manderley ball was generally an annual ... . 4. He was 88 Unit IV. Friends and Friendships tired and wished the day's... was over so he could go for a shower. 5. It's the ... of the police to find the culprit. 6. I felt he had looked upon something personal to himself with which I had no ... . 7. Not a word had ever been spoken between them on a ... now nearly four years old. 8. That of course is a ... of opinion. 9. The picnic was a jolly ....
b) to adapt to adjust to accommodate 1. Let us take things as we find them and ... ourselves as we can to unavoidable circumstances. 2. Soon Mike's eyes... to changing condition. 3. I may be old but I can ... myself as well as anyone else to the changing phases of modern life. 4. It marked his adaptability, his capacity to ... himself to changing conditions. 5. He was fit, that was all, and unconsciously he ... himself to the new mode of life. 6. The mind ... itself to different problems as the eye ... itself to darkness.
c) to value to appreciate to appraise to estimate 1. It overwhelmed him that the people of his district had at last begun ... him. 2. The more she suffered, the more highly he ...her. 3. He is a character, that's why she ...his friendship. 4.1 ... the information and realized that it was beyond our capability. 5. I like people who can ... good music. 6. They ... the cost of renting an apartment for a year.