when__the library open?It __from 8a.m to 5:30p.m A.is；is openB.does;opens C.is;opens D.do;is open
题目
when__the library open?It __from 8a.m to 5:30p.m A.is；is openB.does;opens C.is;opens D.do;is open
答案
does
opens
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