form the moon, our earth with water        .seventy percent of its surface, appears as a blue ball.
#92376
A
seen, covered
B
seeing, covering
C
seen, covering
D
seeing, covered
推荐题目
_______ the necklace borrowed from her friends made her_____ completely.
#95585
A
Losing; upset
B
To lose; to be upset
C
Losing; upsetting
D
lost; upset
The old man, ________ abroad for twenty years, is on the way back to his motherland.
#93411
A
to work
B
working
C
to have worked
D
having worked