who desidned the CD-ROM?(改为被动语态)

who desidned the CD-ROM?(改为被动语态) who designed the cd -rom 【改为被动语态】 Who designed the CD-ROM .（改为被动语态） Who designed the CD-ROM.改为被动语态____whom____the CD-ROM____? 将下列句子改为被动语态：who designed the CD-ROM 请说明理由1.Who designed the CD-ROM（改成被动语态）Who______the CD-ROM___ who designs the CD-roms?（改为被动语态） Who desigened the CD-RPM?(改为被动语态） _____ whom ______ the CD-R Who opened the door?改为被动语态. Who cleaned the classroom?改为被动语态 Who sings the song改为被动语态 Who designed the CD-ROM?改为同义句