问题
选择题
—How do you deal with the disagreement between the company and the customers?
—The key _______ the problem is to meet the demand _______ by the customers.
A．to solving, making
B．to solving, made
C．to solve, making
D．to solve, made
答案
答案：B
key to(…的关键)中 to 是介词，应接动名词；又因名词 demand 与 make 是被动关系(make demands 提出要求)，另有 by 这一标志词暗示，用过去分词作定语。