①some workers are painting the rooms now ② we have made twenty more keys 怎样改为被动语态?

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①some workers are painting the rooms now ② we have made twenty more keys 怎样改为被动语态?

①some workers are painting the rooms now ② we have made twenty more keys 怎样改为被动语态?
①some workers are painting the rooms now ② we have made twenty more keys 怎样改为被动语态?

①some workers are painting the rooms now ② we have made twenty more keys 怎样改为被动语态?
1.the rooms are being painted now (by some workers ).
2.twenty more keys have been made(by us).