◎ 题干
      _  of the mountains in that area         covered with trees and grass.

A. Two fifth; is  
B. Two fifth; are  
C. Two fifths; are
D. Two fifths; is
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“of the mountains in that areacovered with trees and grass. [ ]A. Two fifth; isB. Two fifth; areC. Two fifths; are D. Two fifths; is…”主要考查了你对  【分数】【主谓一致】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。