___ from space, the earth with water ___70% of its surface looks like a "blue blanket". 
#94311
A
Seen ;covered
B
Being seen; covers
C
Seeing; covering
D
Seen; covering
推荐题目
Dad is under a lot of pressure, so we have to ________ him.   
#97092
A
make preparations for
B
take out insurance for
C
make allowances for
D
make sense of
We hurried to the station, _________ the train was gone.
#95123
A
find
B
finding
C
found
D
only to find
Mr Green showed his students some photos ________ at World Expo 2010 Shanghai.
#93152
A
taken
B
being taken
C
to be taken
D
having taken