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
Unless ___ to speak，you should remain silent at the conference．
#94186
A
invited
B
inviting
C
being invited
D
having invited
_____ his homework in time, he had to stay up late into the night.
#96129
A
Finishing
B
Having finished
C
To finish
D
To have finished
Whenever she saw the young man, she would feel her heart __________.
#96079
A
striking
B
beating
C
hitting
D
knocking