As we all know every minute full use ofour lessons will do good to our students．A. whe

问题补充：

As we all know, every minute, full use ofour lessons , will do good to our students．

A. when made；to study

B. which makes；studying

C. that is made；study

D. that is made；studying

答案：

(答案→)A. when made；to study

B. which makes；studying

C. that is made；study

D. that is made；studying

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