The scientist’s many years’ careful observation ____ a surprising discovery.
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A
ran into
B
began with
C
led to
D
came from
推荐题目
Nobody likes Jim because he is hard to _________.
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A
get along
B
be got along
C
get along with
D
be got along with
These plants are watered___________
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A
each other day
B
every other day
C
each of two days
D
every of two days
We tried to find a table for seven, but they were all ________.
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A
given away
B
kept away
C
taken up
D
used up