27．Don’t you think it essential that every resident of Nanjingspare no effort to make cont

发布时间：2020-08-16 06:46:10


27．Don’t you think it essential that every resident of Nanjing    spare no effort to make contributions to Nanjing 2014 Youth Olympic Games?
A. should
B. will
C. shall
D. Would

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(答案→)A. should
B. will
C. shall
D. Would
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