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
 Be friendly and you’ll ____ well with others.
#52580
A
look at
B
get on
C
put on
D
pick up
One of my teachers ____ an Englishman. 
#61857
A
is
B
are
C
do
D
does
Let’s____planting the trees until tomorrow. I think it’s going to rain.
#59126
A
put on  
B
put up
C
put off
D
put down
      the beautiful dresses       to the women?
#60099
A
Are;belong
B
Are;belonging
C
Do;belonging
D
Do;belong