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T-4-Q17 Galileo did not invent the telescope, but on hearing, in1609, that such an optical instrument had been made, he quicklybuilt his own device from an organ pipe and spectacle lenses. A. Galileo did not invent thetelescope, but on hearing, in 1609, that such an optical instrument had beenmade, he B. Galileo had not invented the telescope, but whenhe heard, in 1609, of such an optical instrument having been made, C. Galileo, even though he had not invented thetelescope, on hearing, in1609, that such an optical instrument had been made,he D. Even though Galileo did not invent thetelescope, on hearing, in 1609, that such an optical instrument had been made, E. Even though Galileo did not invent thetelescope, but when he heard, 1609, of such an optical instrument being made,he 我知道B中有其他错误，但是想知道为什么B中had not时态是错的，明明就又有一个过去式heard, A中 did not我觉得应had not.
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发表于 2013-5-13 15:26:40
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楼主
加油！！！晚上好好休息(*^__^*) 嘻嘻……
