Three fourths of the land____ with trees.A.are covered B.is covered 选那一个
问题描述：
Three fourths of the land____ with trees.A.are covered B.is covered 选那一个
答
Three fourths是十分之三的意思 不是名词的复数.
land是不可数的
土地的四分之三,还是不可数名词,所以要选择 BB. is covered