第28题: [单项选择]When they had finished playing, the children were made to ______ all the toys that they had taken out. A. put off B. put out C. put up D. put away 参考答案:C 答案解析:put up“放回原处”,“贮藏在完全的地方,”如:When you have done with the book, please put it up in its place."书用完请放回原处。