The Chinese are working hard to the gap in science.A.catch up withB.shutC.closeD
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The Chinese are working hard to ________ the gap in science.
A.catch up with
B.shut
C.close
D.close to
试题答案
C

The Chinese are working hard to ________ the gap in science.
A.catch up with
B.shut
C.close
D.close to
C