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
推荐题目
With the computer's system _______. it can't be used at the moment.
#90599
A
updating
B
being updated
C
updated
D
to update
(2013·陕西，14)The witnesses ________ by the police just now gave very different descriptions of the fight.
#89225
A
questioned
B
being questioned
C
to be questioned
D
having questioned
President Obama and visiting Chinese president Xi Jinping held talks on a private property, _________ the first official meeting since the two countries changed their leadership.
#90857
A
marking
B
to mark
C
marked
D
to be marked
—The light in the office is still on. —Oh, I forgot__________
#97860
A
turning it off
B
turn it off
C
to turn it off
D
having turned it off
Could you show me the TV set you’d like________？
#88720
A
to have repaired
B
repairing it
C
to have it repaired
D
to repair it