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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When the old man came to life, he found himself by some docters and nurses.
#91530
A
surrounding
B
be surrounded
C
be surrounding
D
surrounded
Pleasant as they made it ______ in Jiuzhaogou, we felt tired after the long journey.
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A
to travel
B
travel
C
travelled
D
travelling
Mike found his missing car in the street outside his house, ______ newly cleaned and polished.
#96416
A
looked
B
to look
C
looking
D
to be looking