DENVER. METROPOLITAN AREA. REAL ESTATE More changes expected in 1985, including improvement of downtown office market. RM Ja 1, 1985 p.6B Stepped-up building expected to keep office vacancy rate high. FM Ja 29, 1985 p.5B Commercial brokers making international connections.- RM F 17, 1985 p.102,103 Area developers slashing fees to brokers for finding tenants. RM Mr 19, 1985 p.6B COmmercial real estate loan rates climbing, but dramatic changes not expected. RM Mr 26, 1985 p-6B