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题目内容
（甘肃开放大学 商务英语）
Is the library _______ now? No, it.s _______.
A.
open；close
B.
opening；closing
C.
open；closed
D.
opened；closed
A.
open；close
B.
opening；closing
C.
open；closed
D.
opened；closed
参考答案
