from the moon, our earth, with water          seven percent of its surface, appears as a “blue ball”.
#94117
A
Seeing…covered
B
Seen…covered
C
Seeing…covering
D
Seen…covering
推荐题目
What great trouble we had _______ where his house was.
#90749
A
finding
B
to find
C
find
D
found
We wish______ no war and no poverty in the world.
#98809
A
there is
B
there being
C
there to be
D
there be
_________ computer games made his mother worried. 
#91956
A
That the child was addicted to play
B
The child’s being addicted to playing
C
The child’s being addicted to play
D
What the child addicted to playing