She covered the well with a big stone 的被动语态及The workers are

She covered the well with a big stone 的被动语态及The workers are 改成被动语态：she give me a book ; the workers are building the roa The workers are building a tall building改为被动语态 The workers are making new cars 改为被动语态 一道初二被动语态The workers are building a tall building.A tall buil She covered the child with a coat. 转换被动语态 she looked after the chidren quite well 英语被动语态小问题①The ground was covered with pieces of paper,old ty 被动语态:The fallen leaves covered the ground. The mountain tops are covered with snow.这句子如何改为主动语态,with sno she covered a clipboard with the paint什么意思? 改为被动语态1.The workers are making new cars.New cars___ ____ ___