問題詳情
【題組】22. According to the passage, the horse
(A) could not be used for long distance travel
(B) replaced traveling by foot in more rugged areas
(C) Improved the quality of mountain foot trails
(D) was an important part of Oregon's culture
參考答案
答案：[無官方正解]
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)