监理规划是由总监理工程师主持编制，经监理单位技术负责人批准，用来指导项目监理机构全面开展监理工作的纲领性文件。()
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_________（每年的） events happen once every year.
The novel written by the author _______ well, but five years agro no one could have imagined how great a role he _______ in the literary world
A. sells; was to play
B. selling; was playing
C. sold; had played
D. sell; is playing
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