______from space, the earth, with water _____seventy percent of its surface looks like a blue ball.
#95365
A
Seen; covered
B
Seen; covering
C
Seeing; covered
D
Seeing; covering
推荐题目
So many problems ________, he is having a difficult time.
#88268
A
settled
B
to settle
C
settling
D
are to settle
This soup is cold; it needs _____.
#97524
A
to heat
B
to be heated
C
being hot
D
heated