Slaveswereoftenmade______dayandni

发布时间：2020-07-09 22:49:24

Slaves were often made ______ day and night.













A.work












B.works











C.to work











D.worked

网友回答

C解析make sb. do sth.句型变为被动式时，被省略了的不定式符号to要恢复。
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