of the surface of the earth covered with
题型:选择题
问题:
of the surface of the earth covered with water.
A.Seven-tens...are
B. Seven-tens…is
C. Seven-tenths...is
D.Seven-tenths...are
of the surface of the earth covered with water.
A.Seven-tens...are
B. Seven-tens…is
C. Seven-tenths...is
D.Seven-tenths...are