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Sunday,thelibrarydoesn'topen.A.BeingB.TherebeingC.ItbeingD.HavingbeenBC怎么区别A.AsitbeingB.BeingC.ItisD.Asitis这里一组选D吗

题目详情
_______Sunday,the library doesn't open.
A.Being B.There being C.It being D.Having been
B C 怎么区别
A.As it being B.Being C.It is D.As it is
这里一组选D吗
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答案和解析
能的