I could see a whale ________ by a pack of about six other killers.
#95137
A
having been attacked
B
being attacked
C
to be attacked
D
be attacked
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____ is known to all, China will be an _____ and powerful country in 20 or 30 years’ time. 
#97256
A
That; advancing
B
What; advanced
C
As; advanced
D
It; advanced
________ to sunlight for too much time will do harm to one's skin.
#93531
A
Exposed
B
Having exposed
C
Being exposed
D
After being exposed