複選題149. A/An _____ agrees only to sell his principal's products, and not those ofa competitor. (A)real estate agent (B)sole agent (C)commission agent (D)exclusive agent 。

110. 下列書信內容屬何種函件？"While appreciating the attractive design ofyour high-rise bicycles, we suggest you make some allowance. A 10%reduction would facilitate the transaction and help introduce your goodsto the rapidly growing market here." (A)inquiry (B)offer (C)counter-offer (D)sales 。