Every minute has been made full of by the girls knowledge about etiquertte.
A. using; learning
B. use; to learn
C. to use; to learn
D. use; learning
网友回答
A. using; learning
(答案→)B. use; to learn
C. to use; to learn
D. use; learning
解析：make full use of 充分利用，句意为：这个女孩儿充分利用每一分钟去学习知识。第一个空考查了固定短语，此处为被动语态的用法，第二个空是动词不定式表达目的状语。应该使用动词不定式。