X0202 4 2004-07-09 0 0000834933 ACM GOVERNMENT OPPORTUNITY FUND INC ACM 0000022272 COMBINED INSURANCE CO OF AMERICA AON CORPORATION - CORPORATE LAW DEPT 200 EAST RANDOLPH DRIVE, 8TH FLOOR CHICAGO IL 60601 0 0 1 0 Common Stock 2004-07-09 4 S 0 1100 8.1464 D 3790236 D The designated Reporting Person is filing this Form 4 on behalf of itself and Aon Corporation ("Aon") and Aon Advisors, Inc. ("Advisors"). Aon, Advisors and the Reporting Person share the address reported herein. Aon's I.R.S. Identification Number is 36-3051915. Advisors' I.R.S. Identification Number is 54-1392321. Advisors indirectly beneficially owns the securities being reported herein due to its status as investment adviser to the Reporting Person. Aon also indirectly beneficially owns such securities due to its status as the parent corporation of both the Reporting Person and Advisors. Jennifer L. Kraft pursuant to a power of attorney 2004-07-12