【題目】差不多到了兩百年之后， Charles Babbage 才把我制成了一臺(tái)分析機(jī)器。
It took about two hundred years as an analytical machine by Charles Babbage.

【答案】efore I was built / before I was made
【解析】句型“it was +時(shí)間段+ before …” 表示 “過(guò)了（多長(zhǎng)時(shí)間）才……”。分析語(yǔ)境可知主語(yǔ)“I”是“被制造出來(lái)”，所以用被動(dòng)語(yǔ)態(tài)。所以答案是before I was built / before I was made.

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