因为他到的时候图书馆已经关门了。
图书馆现在关门了。
图书馆现在关门了。
天太晚了，图书馆得关门了。
有一天傍晚，图书馆已经关门了，四下寂静，第一只老鼠爬进了一套巨大的盔甲里。
One evening after the museum had closed and it was very quiet, the first mouse crawled into a huge suit of armor.
我从家里一路走到图书馆，不料已经关门了。
I walked all the way from home to the library, only to find it closed.
最后还是图书馆的工作人员把我叫醒的，因为人家要关门了。
I was out of it all day, and when I got home, I just passed out, comatose.
已经是下午4点半了，梅梅必须去图书馆，因为图书馆5点关门。
It was 4:30 and Meimei had to go to the library, for it closes at 5.
已经是下午4点半了，梅梅必须去图书馆，因为图书馆5点关门。
It was 4:30 and Meimei had to go to the library, for it closes at 5.
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