Every minute is made full use of our lessons.A. studyingB. to studyC. studyD. being studi

问题补充：

Every minute is made full use of our lessons.

A. studying

B. to study

C. study

D. being studied

答案：

A. studying

(答案→)B. to study

C. study

D. being studied

解析：此题容易误选A,认为动名词作介词的宾语。其实此题应选B，此句是被动句，转换成主动句就成为

we make full use of every minute to study our lessons.。是不定式作目的状语。