For many years, ____ animals for carrying food and other supplies from one area to another has been a means of living in Xinjiang Autonomous Region .
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A
trained
B
training
C
having trained
D
to have trained
推荐题目
Standing on top of the building, ______.
#97855
A
the whole city could be seen
B
nothing could be seen
C
we could see the whole city
D
all could be seen
_____,they set out to break the record for cross­channel swimming.
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A
Well equipped
B
Well equipping
C
Well equips
D
To equip
Little Tom admitted ______ in the examination, ______ the teacher his word that he wouldn’t do that again. 
#96885
A
to cheat; to give
B
cheating; kept
C
having cheated; giving
D
to have cheated; keeping