(2013·四川省宜宾五校二调)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
 It is said the factory is now __________ large as what it was.
#11999
A
twice as
B
as twice
C
twice much
D
much twice
___ century has just gone by and we’re now in a new century.
#14476
A
The twenty
B
The twentieth
C
Twenty
D
Twentieth
.Mr. Black has been teaching English in a middle school _____ he came to China.
#13061
A
for ever
B
ever since
C
ever before
D
long before