41.A. engineer | B. corporate | C. difficult | D. different |
42.A. selfish | B. correct | C. purpose | D. surface |
43.A. provide | B. product | C. promote | D. profess |
44.A. prepare | B. repeat | C. purpose | D. police |
45.A. preface | B. famous | C. forget | D. childish |
46.A. cartoon | B. western | C. teacher | D. theater |