China’s economic development has made rapid progress in the past 20 years and young people have made great contribution to this progress. A 不填,a B. the; 不填 C. a; a D. 不填; 不填 查看更多

 

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China’s economic development has made ______ rapid progress in the past 20 years and young people have made ______ great contribution to this progress.

A.    /; a                 B.    the; a                    C.    a; a                       D.    /; /

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China’s economic development has made ______ rapid progress in the past 20 years and young people have made ______ great contribution to this progress.

A.    /; a                 B.    the; a                    C.    a; a                       D.    /; /

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China’s economic development has made _________ rapid progress in the past 20 years and young people have made ________ great contribution to this progress.

A 不填;a      B. the; 不填     C. a; a     D. 不填; 不填

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