用所给单词的正确时态和语态完成下列句子
【小题1】You know, the experiment ________ (repeat) three times, with similar results each time.
【小题2】It is the first time that he ________ (Praise) by his coach.
【小题3】Recently the floor of the hall ________ (mop) well but the wall cleaned poorly.
【小题4】So far, many parts of the Great Wall ________ (repair).
【小题5】Paper money ________ (use) for over a thousand years.
【小题6】More than 100 students from our school ________ (admit) to Peking University since 2010.