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题库 / Prep2007E2-SC-77
The Anasazi settlements at Chaco Canyon were built on a spectacular scale with more than 75 carefully engineered structures, of up to 600 rooms each, were connected by a complex regional system of roads.
with more than 75 carefully engineered structures, of up to 600 rooms each, were
with more than 75 carefully engineered structures, of up to 600 rooms each,
of more than 75 carefully engineered structures of up to 600 rooms, each that had been
of more than 75 carefully engineered structures of up to 600 rooms and with each
of more than 75 carefully engineered structures of up to 600 rooms, each had been
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选项A：were built & were connected 两个谓语动词之间没有任何连词连接
选项E：缺少连词
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