of the surface of the earth          covered with water.
#53609
A
Seven-tens...are
B
Seven-tens…is
C
Seven-tenths...is
D
Seven-tenths...are
推荐题目
He _____ there _____ his father came.
#53652
A
didn’t wait…till
B
left…till
C
waited…until
D
waited…after
 ---How long have you _________China?---About two years.
#52391
A
come to
B
been to
C
been in
D
gone to