请说明理由1.Who designed the CD-ROM（改成被动语态）Who____the CD-ROM_

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请说明理由
1.Who designed the CD-ROM（改成被动语态）
Who______the CD-ROM_________ _____________?
2.Is French spoken in Canada?（改成主动语态）
______people in Canada______French?

was designed by
被动句构成为sth+ be动词+动词过去分词+by +sb
含be动词的句子变特殊疑问句,特殊疑问词（这里是who）后加be动词,看第一句知道是过去,因此be动词用was,后直接跟上动词过去分词+by
Do speak
被动句sth+ be动词+动词过去分词（+by +sb）+（其他）
被动句的疑问句 be动词+ sth+ 动词过去分词（+by +sb）+（其他）
Is French spoken in Canada?
主动句的疑问 do/does/did/can等+ 主动词原形+（其他）
当然也可以 do/does/did/can等+ 主+ （其他） + 动词原形
Do people in Canada speak French?

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