what( )with the old books?a.has been done b.has done c.have been _英语解答

what( )with the old books?a.has been done b.has done c.have been done d.have done 为何用被动语态

人气：258 ℃　时间：2019-11-04 21:37:36

解答

选C,这些旧书是怎么处理的?do with处理.另外主语是old books,谓语用复数.书被处理,显然用被动语态.