1. carry out (conduct) a. a problem 2. solve (face, work at, deal with) b. changes 3. become c. a success В 58 4. suffer from d. an effect on 5. bring about e. measures 6. have f. study, research, experimen- tal work 7. make g. the center of, a part of 8. develop h. investments 9. take i. a program, concept, theory 10. achieve j. noise, pollution