You have to keep on learning if you want to keep with the development of modern science a

问题补充：

You have to keep on learning if you want to keep with the development of modern science and technology.

A. peace

B. touch

C. pace

D. connect

答案：

A. peace

B. touch

(答案→)C. pace

D. connect

解析：考查名词：A. peace和平，B. touch接触，C. pace步伐，节奏，keep pace with“跟上…的节奏”，D. connect 连接，句意：如果你想跟上现代科学技术的发展，你就要继续学习。选C。