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题库 / Prep2007E1-SC-163
The British sociologist and activist Barbara Wootton once noted as a humorous example of income maldistribution that the elephant that gave rides to children at the Whipsnade Zoo was earning annually exactly what she then earned as director of adult education for London.
that the elephant that gave rides to children at the Whipsnade Zoo was earning
that the elephant, giving rides to children at the Whipsnade Zoo, had been earning
that there was an elephant giving rides to children at the Whipsnade Zoo, and it earned
the elephant that gave rides to children at the Whipsnade Zoo and was earning
the elephant giving rides to children at the Whipsnade Zoo and that it earned
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有两点不明白：1/ 主句未划线部分应该是be noted as吧？ 2/ 划线部分为什么用过去进行时the elephant was earning? 用一般过去时更合适吧
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