Every minute is made full use of at our lessons.A. to workB. workingC. having workedD. be

发布时间：2020-08-17 12:39:23

Every minute is made full use of      at our lessons.
A. to work
B. working
C. having worked
D. being worked

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(答案→)A. to work
B. working
C. having worked
D. being worked
解析：此题中of 的宾语实际是Every minute，如果把它变成主动式，答案就容易见到了。
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