33. Yan'an used to be a revolutionary for the Red Army.A. base AB. basisC. foundationD. G

发布时间：2020-08-16 07:07:06


33. Yan'an used to be a revolutionary      for the Red Army.
A. base A
B. basis
C. foundation
D. Ground

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A. base A
B. basis
C. foundation
D. Ground
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