Question

【题目】—I’m sorry to _________ you waiting a long time, sir.

—It doesn’t matter.

A. let B. ask C. keep

Answer 1

【答案】C

【解析】

试题分析：句意：很抱歉让你等了这么久，先生。——没关系。A. let 让，let sb do sth；B. ask叫，让，ask sb to do sth；C. keep保持，keep sb doing sth. 意为让某人做某事 ,keep在这里有 使……处于某种状态之意。故答案为C。