根据下面资料,回答 Alibraryisaplacewhichpeoplecanfindoutalmostanything.Apersonjustneedslibrarycardtoborrowabooktobetakenhome.Thepersongoestothemaindesktohavealibraryhelpercheckthebookout.Thehelperprintthecardwiththedatebythatthebookmustbereturnedbacktothelibrary.Ifthebookhasreturnedlate,thepersonmustpaymoneytohavingbrokentherule.Booksinalibraryputinacertainordertohelppeoplefindwhattheywant.Insomelibraries,allthebooksofanimalsmaybeputtogether.Inotherlibraries,allthebookswritingbythesamepersonmaybeplacedtogether. 第三处
library前需加a。解析:可数名词泛指须加a。