(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
4.It is said that the early European playing-cards ____ for entertainment and education.
#105262
A
were being designed
B
have designed
C
have been designed
D
were designed
When I got on the bus，I ________ I had left my wallet at home.(2011·山东)
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A
was realizing
B
realized
C
have realized
D
would realize
It suddenly_____ to me that I could use a computer to do the job.
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A
erupted
B
caused
C
happened
D
occurred
Many animals _____________the same fate as the large extinct elephant because of the environment.
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A
suffered
B
turned
C
caught
D
made