________from space, the earth, with water_____seventy percent of its percentage, looks like a “blue ball.”
#90630
A
Seen; covered
B
Seeing; covering
C
Seeing; covered
D
Seen; covering
推荐题目
The airport________next year will help promote tourism in this area. 
#89492
A
being completed
B
to be completed
C
completed
D
having been completed
I saw him _______ out of the room. 
#98800
A
go
B
had gone
C
has gone
D
goes
After completing and signing it, please return the form to us in the envelope ________.
#94941
A
providing
B
provided
C
having provided
D
provide