Great changes place in China since 1978. A. have been taken B. have taken C. has been ——青夏教育精英家教网—

摘要： Great changes place in China since 1978. A. have been taken B. have taken C. has been taken D. took

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Great changes ______ in China since 1978.

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　　A. take place　　　　 B. have been take place

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