(2014·安徽省芜湖三校一模)A recent study has  ________an unexpected conclusion that the African elephant should be divided into two different species.
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A
kept up with  
B
made up with
C
caught up with 
D
come up with
推荐题目
What ______just now? 
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A
was happened 
B
were happened  
C
happened 
D
happens
The student _____ from the training so much that he was _____ the first prize in the game. 
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A
benefited; awarded
B
awarded; benefited
C
gained; earned
D
earned; gained
She felt extremely tired, and her spirits _________.
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A
sank
B
ruined
C
damaged
D
hurt