问题描述: (1/3)下面这道题应选择哪个答案、为什么?(_)of this area (_)covered with green trees and gr 1个回答 分类:英语 2014-12-02 问题解答: 我来补答 One third of this area is covered with forest.题不完整,理同此句.第一空填(百)分数,或three- fourths,或75 percent,主语是this area,后一空定为is. 展开全文阅读