It is said that sixty percent of all energy ________ in the world today is being lost as wasted heat.
#88776
A
produced
B
producing
C
to produce
D
having produced
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______almost one hundred jin, the stone was moved by him alone. 
#96094
A
Weighed
B
Weighing
C
It weighed
D
To weigh
 How pleased the emperor was _____ what the cheat said!
#98002
A
hearing
B
heard
C
hear
D
to hear