问题
选择题
Three fourths of the surface of the earth ______ covered with water.
A．are
B．is
C．will be
D．was
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Three fourths of the surface of the earth ______ covered with water.
A．are
B．is
C．will be
D．was
答案：B
