The reading room is open from 8a.m.to 5:30 p.m ————————————对划线部分提问划线部分(from 8a.m.to 5:30 p.m )
问题描述：
The reading room is open from 8a.m.to 5:30 p.m ————————————
对划线部分提问
划线部分(from 8a.m.to 5:30 p.m )
答
When is the reading room open ?
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答
What time /When is the reading-room open?
对"时间"提问,用when/ what time