101. If you _____ an error in reviewing the contract, please bring it to my atten tion. (A)look into (B)come across (C)call on (D)make up 。

110. 下列書信內容屬何種函件？"While appreciating the a ttractive design of yo ur high-rise bicycles, we suggest you make some allowance. A 10% reducti on would facilitate the transaction and help introduce your goods to the rap idly growing market here." (A)inquiry (B)offer (C)counter-offer (D)sales 。