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题目内容
（郑州工程技术学院-大学英语1）
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
