When did he invent the telephone?变被动语态

When did he invent the telephone?变被动语态 When did they invent the plane?改为被动语态. when did Karl Benz invent the car变成被动语句 when he was a little boy mickey mouse hadn't been invented上面的invented 是invent 还是invention? when did they invent the personal compwhen did they invent the personal computer?这个用被动语态怎么说? When did they invent the personal computer.用被动语态改写 When did he graduate( )college He did invent the lightning conductor中为什么用do+动原,是什么语法? When ______ the car ________?选项:a、did,invent b、was,invented c、does,invenWhen ______ the car ________?选项:a、did,invent b、was,invented c、does,invent d、in,invented he had the house painted blue when they moved in,___?did he had they didn't theyhadn't they I don't know .when did he go there yesterday?合并为一句 1.When did you invent the strange machine 2.Where do people plant the trees (都改为被动语态) He ------- Beijing .I don't know when he did it.A has gone to B has been to选哪个 I don't remember where _in that city when he was young.A.did he work B.he worked C.he has workedD.has he worked when did he come home 对么 怎样用when did you she/he 造句 When did he fall ill?译成汉语 when did he ___(go/went)?