问题补充:
He will come to understand your efforts sooner or later. It’s just a of time.
A. criterion
B. patent
C. variety
D. matter
答案:
A. criterion
B. patent
C. variety
D. matter
解析:考查名词:A.criterion标准B. patent专利C. variety各种各样D. matter事情,问题。句意:迟早他会理解你的努力的,这只是时间问题。选D。