---What is our earth like ________from the moon? ---Well, our earth, with water ________ 70% of its surface, appears as a "blue ball". 
#96713
A
seen; covering
B
seen; to cover
C
seeing; covered
D
seeing; covering
推荐题目
When _________ by the reporter about his generous action, he said: “__________ others can always be joyful.”
#95802
A
being interviewed; Helping
B
interviewed; To help
C
having interviewed; Help
D
interviewing; Having helped
 Do you know the Three Gorges Dam is the largest hydro-electric dam ever_______?
#91699
A
constructed
B
constructing
C
to be constructed
D
been constructed
We’re _______ to listen to her _______ voice. It’s _______ to hear her sing.
#97446
A
pleased; pleasing; pleasure 
B
pleased; pleasant; a pleasure
C
pleasing; pleased; a pleasure 
D
pleasing; pleasant; pleasure