扫描二维码，直接登录
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
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
传送版上对这题的讨论：http://forum.chasedream.com/thread-578062-3-1.html
登录 或 注册 后可以参加讨论