...卷I-阅读理解C When the explorers first set foot upon the continent
of North America, the skies and lands were
alive with an astonishing variety of wildlife. Native Americans had taken care
of these precious natural resources wisely. Unfortunately, it took the explorers
and the settlers who fol...
老师,of 还可以与 's 所有格或 by-phrase 一起构成主—谓—宾的关系。(1) A student's mastery of a language is ultimately measured by how well he can useit,not by how much he knows about it.(2) The temptation of young men by bad companions often leads to their downfall....