Who invented the first teievision?(改为被动语态)

Who invented the first teievision?(改为被动语态) Who invented the first television?（改为被动语态）___ ___ was the fi 句型转换：who invented the first television(改为被动语态)请英语好的帮帮忙啊 Who invented the first television?(改成被动语态） Who invented the computer?句子改为被动语态 who invented the bicycle?怎么改为被动语态? Who invented the alarm clock 改为被动语态 who invented tea?改为被动语态 Sandy invented the bike.（改为被动语态） 句型转换1）can you tell me who invented the telephon（改为含被动语态的句子）c Who invented it? 改成被动语态~ Who opened the door?改为被动语态.