问题标题：
It'snotpolitetospeakloudlyinthelibrary(改为同义句)
问题描述：
It'snotpolitetospeakloudlyinthelibrary(改为同义句)
李书训回答：
Speakingloudlyinthelibraryisnotpolite.
It'simpolitetospeakloudlyinthelibrary.
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